199471428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4789}}^1$

素因数の和:4901

約数の個数: 72

約数和(自身を含む): 549221400

約数和(自身を除く): 349749972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 801, 1068, 1157, 1602, 2314, 3204, 3471, 4628, 4789, 6942, 9578, 10413, 13884, 14367, 19156, 20826, 28734, 41652, 43101, 57468, 62257, 86202, 124514, 172404, 186771, 249028, 373542, 426221, 560313, 747084, 852442, 1120626, 1278663, 1704884, 2241252, 2557326, 3835989, 5114652, 5540873, 7671978, 11081746, 15343956, 16622619, 22163492, 33245238, 49867857, 66490476, 99735714, 199471428]

約数ペア:

[(1, 199471428), (2, 99735714), (3, 66490476), (4, 49867857), (6, 33245238), (9, 22163492), (12, 16622619), (13, 15343956), (18, 11081746), (26, 7671978), (36, 5540873), (39, 5114652), (52, 3835989), (78, 2557326), (89, 2241252), (117, 1704884), (156, 1278663), (178, 1120626), (234, 852442), (267, 747084), (356, 560313), (468, 426221), (534, 373542), (801, 249028), (1068, 186771), (1157, 172404), (1602, 124514), (2314, 86202), (3204, 62257), (3471, 57468), (4628, 43101), (4789, 41652), (6942, 28734), (9578, 20826), (10413, 19156), (13884, 14367)]