31749588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 87141600

約数和(自身を除く): 55392012

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 179, 234, 358, 379, 468, 537, 716, 758, 1074, 1137, 1516, 1611, 2148, 2274, 2327, 3222, 3411, 4548, 4654, 4927, 6444, 6822, 6981, 9308, 9854, 13644, 13962, 14781, 19708, 20943, 27924, 29562, 41886, 44343, 59124, 67841, 83772, 88686, 135682, 177372, 203523, 271364, 407046, 610569, 814092, 881933, 1221138, 1763866, 2442276, 2645799, 3527732, 5291598, 7937397, 10583196, 15874794, 31749588]

約数ペア:

[(1, 31749588), (2, 15874794), (3, 10583196), (4, 7937397), (6, 5291598), (9, 3527732), (12, 2645799), (13, 2442276), (18, 1763866), (26, 1221138), (36, 881933), (39, 814092), (52, 610569), (78, 407046), (117, 271364), (156, 203523), (179, 177372), (234, 135682), (358, 88686), (379, 83772), (468, 67841), (537, 59124), (716, 44343), (758, 41886), (1074, 29562), (1137, 27924), (1516, 20943), (1611, 19708), (2148, 14781), (2274, 13962), (2327, 13644), (3222, 9854), (3411, 9308), (4548, 6981), (4654, 6822), (4927, 6444)]