81357888

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13669}}^1$

素因数の和:13715

約数の個数: 56

約数和(自身を含む): 222219520

約数和(自身を除く): 140861632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 248, 372, 496, 744, 992, 1488, 1984, 2976, 5952, 13669, 27338, 41007, 54676, 82014, 109352, 164028, 218704, 328056, 423739, 437408, 656112, 847478, 874816, 1271217, 1312224, 1694956, 2542434, 2624448, 3389912, 5084868, 6779824, 10169736, 13559648, 20339472, 27119296, 40678944, 81357888]

約数ペア:

[(1, 81357888), (2, 40678944), (3, 27119296), (4, 20339472), (6, 13559648), (8, 10169736), (12, 6779824), (16, 5084868), (24, 3389912), (31, 2624448), (32, 2542434), (48, 1694956), (62, 1312224), (64, 1271217), (93, 874816), (96, 847478), (124, 656112), (186, 437408), (192, 423739), (248, 328056), (372, 218704), (496, 164028), (744, 109352), (992, 82014), (1488, 54676), (1984, 41007), (2976, 27338), (5952, 13669)]