31534490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 68221440

約数和(自身を除く): 36686950

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 751, 1105, 1235, 1502, 1615, 2210, 2470, 3230, 3755, 4199, 7510, 8398, 9763, 12767, 14269, 19526, 20995, 25534, 28538, 41990, 48815, 63835, 71345, 97630, 127670, 142690, 165971, 185497, 242573, 331942, 370994, 485146, 829855, 927485, 1212865, 1659710, 1854970, 2425730, 3153449, 6306898, 15767245, 31534490]

約数ペア:

[(1, 31534490), (2, 15767245), (5, 6306898), (10, 3153449), (13, 2425730), (17, 1854970), (19, 1659710), (26, 1212865), (34, 927485), (38, 829855), (65, 485146), (85, 370994), (95, 331942), (130, 242573), (170, 185497), (190, 165971), (221, 142690), (247, 127670), (323, 97630), (442, 71345), (494, 63835), (646, 48815), (751, 41990), (1105, 28538), (1235, 25534), (1502, 20995), (1615, 19526), (2210, 14269), (2470, 12767), (3230, 9763), (3755, 8398), (4199, 7510)]