211313830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3181}}^1$

素因数の和:3281

約数の個数: 64

約数和(自身を含む): 474703488

約数和(自身を除く): 263389658

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 365, 455, 511, 730, 910, 949, 1022, 1898, 2555, 3181, 4745, 5110, 6362, 6643, 9490, 13286, 15905, 22267, 31810, 33215, 41353, 44534, 66430, 82706, 111335, 206765, 222670, 232213, 289471, 413530, 464426, 578942, 1161065, 1447355, 1625491, 2322130, 2894710, 3018769, 3250982, 6037538, 8127455, 15093845, 16254910, 21131383, 30187690, 42262766, 105656915, 211313830]

約数ペア:

[(1, 211313830), (2, 105656915), (5, 42262766), (7, 30187690), (10, 21131383), (13, 16254910), (14, 15093845), (26, 8127455), (35, 6037538), (65, 3250982), (70, 3018769), (73, 2894710), (91, 2322130), (130, 1625491), (146, 1447355), (182, 1161065), (365, 578942), (455, 464426), (511, 413530), (730, 289471), (910, 232213), (949, 222670), (1022, 206765), (1898, 111335), (2555, 82706), (3181, 66430), (4745, 44534), (5110, 41353), (6362, 33215), (6643, 31810), (9490, 22267), (13286, 15905)]