7211412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 20689760

約数和(自身を除く): 13478348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 811, 988, 1482, 1622, 2223, 2433, 2964, 3244, 4446, 4866, 7299, 8892, 9732, 10543, 14598, 15409, 21086, 29196, 30818, 31629, 42172, 46227, 61636, 63258, 92454, 94887, 126516, 138681, 184908, 189774, 200317, 277362, 379548, 400634, 554724, 600951, 801268, 1201902, 1802853, 2403804, 3605706, 7211412]

約数ペア:

[(1, 7211412), (2, 3605706), (3, 2403804), (4, 1802853), (6, 1201902), (9, 801268), (12, 600951), (13, 554724), (18, 400634), (19, 379548), (26, 277362), (36, 200317), (38, 189774), (39, 184908), (52, 138681), (57, 126516), (76, 94887), (78, 92454), (114, 63258), (117, 61636), (156, 46227), (171, 42172), (228, 31629), (234, 30818), (247, 29196), (342, 21086), (468, 15409), (494, 14598), (684, 10543), (741, 9732), (811, 8892), (988, 7299), (1482, 4866), (1622, 4446), (2223, 3244), (2433, 2964)]