215869810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{6173}}^1$

素因数の和:6462

約数の個数: 32

約数和(自身を含む): 420078960

約数和(自身を除く): 204209150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 1345, 2690, 3497, 6173, 6994, 12346, 17485, 30865, 34970, 61730, 80249, 160498, 401245, 802490, 1660537, 3321074, 8302685, 16605370, 21586981, 43173962, 107934905, 215869810]

約数ペア:

[(1, 215869810), (2, 107934905), (5, 43173962), (10, 21586981), (13, 16605370), (26, 8302685), (65, 3321074), (130, 1660537), (269, 802490), (538, 401245), (1345, 160498), (2690, 80249), (3497, 61730), (6173, 34970), (6994, 30865), (12346, 17485)]