28928230072

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{4643}}^1$

素因数の和:4821

約数の個数: 128

約数和(自身を含む): 66409943040

約数和(自身を除く): 37481712968

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 74, 97, 124, 148, 194, 217, 248, 259, 296, 388, 434, 518, 679, 776, 868, 1036, 1147, 1358, 1736, 2072, 2294, 2716, 3007, 3589, 4588, 4643, 5432, 6014, 7178, 8029, 9176, 9286, 12028, 14356, 16058, 18572, 21049, 24056, 25123, 28712, 32116, 32501, 37144, 42098, 50246, 64232, 65002, 84196, 100492, 111259, 130004, 143933, 168392, 171791, 200984, 222518, 260008, 287866, 343582, 445036, 450371, 575732, 687164, 778813, 890072, 900742, 1007531, 1151464, 1202537, 1374328, 1557626, 1801484, 2015062, 2405074, 3115252, 3152597, 3602968, 4030124, 4810148, 5325521, 6230504, 6305194, 8060248, 9620296, 10651042, 12610388, 13961501, 16663727, 21302084, 25220776, 27923002, 33327454, 37278647, 42604168, 55846004, 66654908, 74557294, 97730507, 111692008, 116646089, 133309816, 149114588, 195461014, 233292178, 298229176, 390922028, 466584356, 516575537, 781844056, 933168712, 1033151074, 2066302148, 3616028759, 4132604296, 7232057518, 14464115036, 28928230072]

約数ペア:

[(1, 28928230072), (2, 14464115036), (4, 7232057518), (7, 4132604296), (8, 3616028759), (14, 2066302148), (28, 1033151074), (31, 933168712), (37, 781844056), (56, 516575537), (62, 466584356), (74, 390922028), (97, 298229176), (124, 233292178), (148, 195461014), (194, 149114588), (217, 133309816), (248, 116646089), (259, 111692008), (296, 97730507), (388, 74557294), (434, 66654908), (518, 55846004), (679, 42604168), (776, 37278647), (868, 33327454), (1036, 27923002), (1147, 25220776), (1358, 21302084), (1736, 16663727), (2072, 13961501), (2294, 12610388), (2716, 10651042), (3007, 9620296), (3589, 8060248), (4588, 6305194), (4643, 6230504), (5432, 5325521), (6014, 4810148), (7178, 4030124), (8029, 3602968), (9176, 3152597), (9286, 3115252), (12028, 2405074), (14356, 2015062), (16058, 1801484), (18572, 1557626), (21049, 1374328), (24056, 1202537), (25123, 1151464), (28712, 1007531), (32116, 900742), (32501, 890072), (37144, 778813), (42098, 687164), (50246, 575732), (64232, 450371), (65002, 445036), (84196, 343582), (100492, 287866), (111259, 260008), (130004, 222518), (143933, 200984), (168392, 171791)]