640952328

素因数分解:

$2^3\times 3^1\times {\mathrm{947}}^1\times {\mathrm{28201}}^1$

素因数の和:29157

約数の個数: 32

約数和(自身を含む): 1604129760

約数和(自身を除く): 963177432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 947, 1894, 2841, 3788, 5682, 7576, 11364, 22728, 28201, 56402, 84603, 112804, 169206, 225608, 338412, 676824, 26706347, 53412694, 80119041, 106825388, 160238082, 213650776, 320476164, 640952328]

約数ペア:

[(1, 640952328), (2, 320476164), (3, 213650776), (4, 160238082), (6, 106825388), (8, 80119041), (12, 53412694), (24, 26706347), (947, 676824), (1894, 338412), (2841, 225608), (3788, 169206), (5682, 112804), (7576, 84603), (11364, 56402), (22728, 28201)]