28894710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1723}}^1$

素因数の和:1789

約数の個数: 64

約数和(自身を含む): 76462848

約数和(自身を除く): 47568138

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 1723, 2795, 3354, 3446, 5169, 5590, 8385, 8615, 10338, 16770, 17230, 22399, 25845, 44798, 51690, 67197, 74089, 111995, 134394, 148178, 222267, 223990, 335985, 370445, 444534, 671970, 740890, 963157, 1111335, 1926314, 2222670, 2889471, 4815785, 5778942, 9631570, 14447355, 28894710]

約数ペア:

[(1, 28894710), (2, 14447355), (3, 9631570), (5, 5778942), (6, 4815785), (10, 2889471), (13, 2222670), (15, 1926314), (26, 1111335), (30, 963157), (39, 740890), (43, 671970), (65, 444534), (78, 370445), (86, 335985), (129, 223990), (130, 222267), (195, 148178), (215, 134394), (258, 111995), (390, 74089), (430, 67197), (559, 51690), (645, 44798), (1118, 25845), (1290, 22399), (1677, 17230), (1723, 16770), (2795, 10338), (3354, 8615), (3446, 8385), (5169, 5590)]