1281542015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{983}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 1713954816

約数和(自身を除く): 432412801

約数列:

[1, 5, 13, 31, 65, 155, 403, 647, 983, 2015, 3235, 4915, 8411, 12779, 20057, 30473, 42055, 63895, 100285, 152365, 260741, 396149, 636001, 1303705, 1980745, 3180005, 8268013, 19716031, 41340065, 98580155, 256308403, 1281542015]

約数ペア:

[(1, 1281542015), (5, 256308403), (13, 98580155), (31, 41340065), (65, 19716031), (155, 8268013), (403, 3180005), (647, 1980745), (983, 1303705), (2015, 636001), (3235, 396149), (4915, 260741), (8411, 152365), (12779, 100285), (20057, 63895), (30473, 42055)]