28579356

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 78886080

約数和(自身を除く): 50306724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 234, 237, 316, 468, 474, 711, 773, 948, 1027, 1422, 1546, 2054, 2319, 2844, 3081, 3092, 4108, 4638, 6162, 6957, 9243, 9276, 10049, 12324, 13914, 18486, 20098, 27828, 30147, 36972, 40196, 60294, 61067, 90441, 120588, 122134, 180882, 183201, 244268, 361764, 366402, 549603, 732804, 793871, 1099206, 1587742, 2198412, 2381613, 3175484, 4763226, 7144839, 9526452, 14289678, 28579356]

約数ペア:

[(1, 28579356), (2, 14289678), (3, 9526452), (4, 7144839), (6, 4763226), (9, 3175484), (12, 2381613), (13, 2198412), (18, 1587742), (26, 1099206), (36, 793871), (39, 732804), (52, 549603), (78, 366402), (79, 361764), (117, 244268), (156, 183201), (158, 180882), (234, 122134), (237, 120588), (316, 90441), (468, 61067), (474, 60294), (711, 40196), (773, 36972), (948, 30147), (1027, 27828), (1422, 20098), (1546, 18486), (2054, 13914), (2319, 12324), (2844, 10049), (3081, 9276), (3092, 9243), (4108, 6957), (4638, 6162)]