128331368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{787}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 280843200

約数和(自身を除く): 152511832

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 109, 136, 187, 218, 374, 436, 748, 787, 872, 1199, 1496, 1574, 1853, 2398, 3148, 3706, 4796, 6296, 7412, 8657, 9592, 13379, 14824, 17314, 20383, 26758, 34628, 40766, 53516, 69256, 81532, 85783, 107032, 147169, 163064, 171566, 294338, 343132, 588676, 686264, 943613, 1177352, 1458311, 1887226, 2916622, 3774452, 5833244, 7548904, 11666488, 16041421, 32082842, 64165684, 128331368]

約数ペア:

[(1, 128331368), (2, 64165684), (4, 32082842), (8, 16041421), (11, 11666488), (17, 7548904), (22, 5833244), (34, 3774452), (44, 2916622), (68, 1887226), (88, 1458311), (109, 1177352), (136, 943613), (187, 686264), (218, 588676), (374, 343132), (436, 294338), (748, 171566), (787, 163064), (872, 147169), (1199, 107032), (1496, 85783), (1574, 81532), (1853, 69256), (2398, 53516), (3148, 40766), (3706, 34628), (4796, 26758), (6296, 20383), (7412, 17314), (8657, 14824), (9592, 13379)]