79402428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{647}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 230211072

約数和(自身を除く): 150808644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 487, 647, 974, 1294, 1461, 1941, 1948, 2588, 2922, 3409, 3882, 4383, 4529, 5823, 5844, 6818, 7764, 8766, 9058, 10227, 11646, 13587, 13636, 17532, 18116, 20454, 23292, 27174, 30681, 40761, 40908, 54348, 61362, 81522, 122724, 163044, 315089, 630178, 945267, 1260356, 1890534, 2205623, 2835801, 3781068, 4411246, 5671602, 6616869, 8822492, 11343204, 13233738, 19850607, 26467476, 39701214, 79402428]

約数ペア:

[(1, 79402428), (2, 39701214), (3, 26467476), (4, 19850607), (6, 13233738), (7, 11343204), (9, 8822492), (12, 6616869), (14, 5671602), (18, 4411246), (21, 3781068), (28, 2835801), (36, 2205623), (42, 1890534), (63, 1260356), (84, 945267), (126, 630178), (252, 315089), (487, 163044), (647, 122724), (974, 81522), (1294, 61362), (1461, 54348), (1941, 40908), (1948, 40761), (2588, 30681), (2922, 27174), (3409, 23292), (3882, 20454), (4383, 18116), (4529, 17532), (5823, 13636), (5844, 13587), (6818, 11646), (7764, 10227), (8766, 9058)]