81881032

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8831}}^1$

素因数の和:8917

約数の個数: 32

約数和(自身を含む): 164275200

約数和(自身を除く): 82394168

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 8831, 9272, 17662, 35324, 70648, 167789, 335578, 538691, 671156, 1077382, 1342312, 2154764, 4309528, 10235129, 20470258, 40940516, 81881032]

約数ペア:

[(1, 81881032), (2, 40940516), (4, 20470258), (8, 10235129), (19, 4309528), (38, 2154764), (61, 1342312), (76, 1077382), (122, 671156), (152, 538691), (244, 335578), (488, 167789), (1159, 70648), (2318, 35324), (4636, 17662), (8831, 9272)]