31217888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 66933216

約数和(自身を除く): 35715328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 101, 104, 202, 208, 404, 416, 743, 808, 1313, 1486, 1616, 2626, 2972, 3232, 5252, 5944, 9659, 10504, 11888, 19318, 21008, 23776, 38636, 42016, 75043, 77272, 150086, 154544, 300172, 309088, 600344, 975559, 1200688, 1951118, 2401376, 3902236, 7804472, 15608944, 31217888]

約数ペア:

[(1, 31217888), (2, 15608944), (4, 7804472), (8, 3902236), (13, 2401376), (16, 1951118), (26, 1200688), (32, 975559), (52, 600344), (101, 309088), (104, 300172), (202, 154544), (208, 150086), (404, 77272), (416, 75043), (743, 42016), (808, 38636), (1313, 23776), (1486, 21008), (1616, 19318), (2626, 11888), (2972, 10504), (3232, 9659), (5252, 5944)]