2012123412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{30931}}^1$

素因数の和:31093

約数の個数: 72

約数和(自身を含む): 5517031520

約数和(自身を除く): 3504908108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 556, 834, 1251, 1668, 1807, 2502, 3614, 5004, 5421, 7228, 10842, 16263, 21684, 30931, 32526, 61862, 65052, 92793, 123724, 185586, 278379, 371172, 402103, 556758, 804206, 1113516, 1206309, 1608412, 2412618, 3618927, 4299409, 4825236, 7237854, 8598818, 12898227, 14475708, 17197636, 25796454, 38694681, 51592908, 55892317, 77389362, 111784634, 154778724, 167676951, 223569268, 335353902, 503030853, 670707804, 1006061706, 2012123412]

約数ペア:

[(1, 2012123412), (2, 1006061706), (3, 670707804), (4, 503030853), (6, 335353902), (9, 223569268), (12, 167676951), (13, 154778724), (18, 111784634), (26, 77389362), (36, 55892317), (39, 51592908), (52, 38694681), (78, 25796454), (117, 17197636), (139, 14475708), (156, 12898227), (234, 8598818), (278, 7237854), (417, 4825236), (468, 4299409), (556, 3618927), (834, 2412618), (1251, 1608412), (1668, 1206309), (1807, 1113516), (2502, 804206), (3614, 556758), (5004, 402103), (5421, 371172), (7228, 278379), (10842, 185586), (16263, 123724), (21684, 92793), (30931, 65052), (32526, 61862)]