397743372

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{31477}}^1$

素因数の和:31509

約数の個数: 72

約数和(自身を含む): 1122883216

約数和(自身を除く): 725139844

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 2106, 3159, 4212, 6318, 12636, 31477, 62954, 94431, 125908, 188862, 283293, 377724, 409201, 566586, 818402, 849879, 1133172, 1227603, 1636804, 1699758, 2455206, 2549637, 3399516, 3682809, 4910412, 5099274, 7365618, 7648911, 10198548, 11048427, 14731236, 15297822, 22096854, 30595644, 33145281, 44193708, 66290562, 99435843, 132581124, 198871686, 397743372]

約数ペア:

[(1, 397743372), (2, 198871686), (3, 132581124), (4, 99435843), (6, 66290562), (9, 44193708), (12, 33145281), (13, 30595644), (18, 22096854), (26, 15297822), (27, 14731236), (36, 11048427), (39, 10198548), (52, 7648911), (54, 7365618), (78, 5099274), (81, 4910412), (108, 3682809), (117, 3399516), (156, 2549637), (162, 2455206), (234, 1699758), (243, 1636804), (324, 1227603), (351, 1133172), (468, 849879), (486, 818402), (702, 566586), (972, 409201), (1053, 377724), (1404, 283293), (2106, 188862), (3159, 125908), (4212, 94431), (6318, 62954), (12636, 31477)]