28542712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 63043200

約数和(自身を除く): 34500488

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 43, 44, 76, 86, 88, 152, 172, 209, 344, 397, 418, 473, 794, 817, 836, 946, 1588, 1634, 1672, 1892, 3176, 3268, 3784, 4367, 6536, 7543, 8734, 8987, 15086, 17071, 17468, 17974, 30172, 34142, 34936, 35948, 60344, 68284, 71896, 82973, 136568, 165946, 187781, 324349, 331892, 375562, 648698, 663784, 751124, 1297396, 1502248, 2594792, 3567839, 7135678, 14271356, 28542712]

約数ペア:

[(1, 28542712), (2, 14271356), (4, 7135678), (8, 3567839), (11, 2594792), (19, 1502248), (22, 1297396), (38, 751124), (43, 663784), (44, 648698), (76, 375562), (86, 331892), (88, 324349), (152, 187781), (172, 165946), (209, 136568), (344, 82973), (397, 71896), (418, 68284), (473, 60344), (794, 35948), (817, 34936), (836, 34142), (946, 30172), (1588, 17974), (1634, 17468), (1672, 17071), (1892, 15086), (3176, 8987), (3268, 8734), (3784, 7543), (4367, 6536)]