28972810

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 53669952

約数和(自身を除く): 24697142

約数列:

[1, 2, 5, 10, 67, 83, 134, 166, 335, 415, 521, 670, 830, 1042, 2605, 5210, 5561, 11122, 27805, 34907, 43243, 55610, 69814, 86486, 174535, 216215, 349070, 432430, 2897281, 5794562, 14486405, 28972810]

約数ペア:

[(1, 28972810), (2, 14486405), (5, 5794562), (10, 2897281), (67, 432430), (83, 349070), (134, 216215), (166, 174535), (335, 86486), (415, 69814), (521, 55610), (670, 43243), (830, 34907), (1042, 27805), (2605, 11122), (5210, 5561)]