28826590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 60383232

約数和(自身を除く): 31556642

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 115, 130, 155, 230, 299, 310, 311, 403, 598, 622, 713, 806, 1426, 1495, 1555, 2015, 2990, 3110, 3565, 4030, 4043, 7130, 7153, 8086, 9269, 9641, 14306, 18538, 19282, 20215, 35765, 40430, 46345, 48205, 71530, 92690, 92989, 96410, 125333, 185978, 221743, 250666, 443486, 464945, 626665, 929890, 1108715, 1253330, 2217430, 2882659, 5765318, 14413295, 28826590]

約数ペア:

[(1, 28826590), (2, 14413295), (5, 5765318), (10, 2882659), (13, 2217430), (23, 1253330), (26, 1108715), (31, 929890), (46, 626665), (62, 464945), (65, 443486), (115, 250666), (130, 221743), (155, 185978), (230, 125333), (299, 96410), (310, 92989), (311, 92690), (403, 71530), (598, 48205), (622, 46345), (713, 40430), (806, 35765), (1426, 20215), (1495, 19282), (1555, 18538), (2015, 14306), (2990, 9641), (3110, 9269), (3565, 8086), (4030, 7153), (4043, 7130)]