197972172

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 553512960

約数和(自身を除く): 355540788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 53, 57, 76, 86, 106, 114, 127, 129, 159, 171, 172, 212, 228, 254, 258, 318, 342, 381, 387, 477, 508, 516, 636, 684, 762, 774, 817, 954, 1007, 1143, 1524, 1548, 1634, 1908, 2014, 2279, 2286, 2413, 2451, 3021, 3268, 4028, 4558, 4572, 4826, 4902, 5461, 6042, 6731, 6837, 7239, 7353, 9063, 9116, 9652, 9804, 10922, 12084, 13462, 13674, 14478, 14706, 16383, 18126, 20193, 20511, 21717, 21844, 26924, 27348, 28956, 29412, 32766, 36252, 40386, 41022, 43301, 43434, 49149, 60579, 65532, 80772, 82044, 86602, 86868, 98298, 103759, 121158, 127889, 129903, 173204, 196596, 207518, 242316, 255778, 259806, 289433, 311277, 383667, 389709, 415036, 511556, 519612, 578866, 622554, 767334, 779418, 868299, 933831, 1151001, 1157732, 1245108, 1534668, 1558836, 1736598, 1867662, 2302002, 2604897, 3473196, 3735324, 4604004, 5209794, 5499227, 10419588, 10998454, 16497681, 21996908, 32995362, 49493043, 65990724, 98986086, 197972172]

約数ペア:

[(1, 197972172), (2, 98986086), (3, 65990724), (4, 49493043), (6, 32995362), (9, 21996908), (12, 16497681), (18, 10998454), (19, 10419588), (36, 5499227), (38, 5209794), (43, 4604004), (53, 3735324), (57, 3473196), (76, 2604897), (86, 2302002), (106, 1867662), (114, 1736598), (127, 1558836), (129, 1534668), (159, 1245108), (171, 1157732), (172, 1151001), (212, 933831), (228, 868299), (254, 779418), (258, 767334), (318, 622554), (342, 578866), (381, 519612), (387, 511556), (477, 415036), (508, 389709), (516, 383667), (636, 311277), (684, 289433), (762, 259806), (774, 255778), (817, 242316), (954, 207518), (1007, 196596), (1143, 173204), (1524, 129903), (1548, 127889), (1634, 121158), (1908, 103759), (2014, 98298), (2279, 86868), (2286, 86602), (2413, 82044), (2451, 80772), (3021, 65532), (3268, 60579), (4028, 49149), (4558, 43434), (4572, 43301), (4826, 41022), (4902, 40386), (5461, 36252), (6042, 32766), (6731, 29412), (6837, 28956), (7239, 27348), (7353, 26924), (9063, 21844), (9116, 21717), (9652, 20511), (9804, 20193), (10922, 18126), (12084, 16383), (13462, 14706), (13674, 14478)]