1398042256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 2984059008

約数和(自身を除く): 1586016752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 137, 142, 208, 274, 284, 548, 568, 691, 923, 1096, 1136, 1382, 1781, 1846, 2192, 2764, 3562, 3692, 5528, 7124, 7384, 8983, 9727, 11056, 14248, 14768, 17966, 19454, 28496, 35932, 38908, 49061, 71864, 77816, 94667, 98122, 126451, 143728, 155632, 189334, 196244, 252902, 378668, 392488, 505804, 637793, 757336, 784976, 1011608, 1230671, 1275586, 1514672, 2023216, 2461342, 2551172, 4922684, 5102344, 6721357, 9845368, 10204688, 13442714, 19690736, 26885428, 53770856, 87377641, 107541712, 174755282, 349510564, 699021128, 1398042256]

約数ペア:

[(1, 1398042256), (2, 699021128), (4, 349510564), (8, 174755282), (13, 107541712), (16, 87377641), (26, 53770856), (52, 26885428), (71, 19690736), (104, 13442714), (137, 10204688), (142, 9845368), (208, 6721357), (274, 5102344), (284, 4922684), (548, 2551172), (568, 2461342), (691, 2023216), (923, 1514672), (1096, 1275586), (1136, 1230671), (1382, 1011608), (1781, 784976), (1846, 757336), (2192, 637793), (2764, 505804), (3562, 392488), (3692, 378668), (5528, 252902), (7124, 196244), (7384, 189334), (8983, 155632), (9727, 143728), (11056, 126451), (14248, 98122), (14768, 94667), (17966, 77816), (19454, 71864), (28496, 49061), (35932, 38908)]