31579884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1109}}^1$

素因数の和:1239

約数の個数: 72

約数和(自身を含む): 92121120

約数和(自身を除く): 60541236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 678, 791, 1017, 1109, 1356, 1582, 2034, 2218, 2373, 3164, 3327, 4068, 4436, 4746, 6654, 7119, 7763, 9492, 9981, 13308, 14238, 15526, 19962, 23289, 28476, 31052, 39924, 46578, 69867, 93156, 125317, 139734, 250634, 279468, 375951, 501268, 751902, 877219, 1127853, 1503804, 1754438, 2255706, 2631657, 3508876, 4511412, 5263314, 7894971, 10526628, 15789942, 31579884]

約数ペア:

[(1, 31579884), (2, 15789942), (3, 10526628), (4, 7894971), (6, 5263314), (7, 4511412), (9, 3508876), (12, 2631657), (14, 2255706), (18, 1754438), (21, 1503804), (28, 1127853), (36, 877219), (42, 751902), (63, 501268), (84, 375951), (113, 279468), (126, 250634), (226, 139734), (252, 125317), (339, 93156), (452, 69867), (678, 46578), (791, 39924), (1017, 31052), (1109, 28476), (1356, 23289), (1582, 19962), (2034, 15526), (2218, 14238), (2373, 13308), (3164, 9981), (3327, 9492), (4068, 7763), (4436, 7119), (4746, 6654)]