156986245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 220642128

約数和(自身を除く): 63655883

約数列:

[1, 5, 13, 17, 61, 65, 85, 137, 221, 289, 305, 685, 793, 1037, 1105, 1445, 1781, 2329, 3757, 3965, 5185, 8357, 8905, 11645, 13481, 17629, 18785, 30277, 39593, 41785, 67405, 88145, 108641, 142069, 151385, 197965, 229177, 514709, 543205, 710345, 1145885, 1846897, 2415173, 2573545, 9234485, 12075865, 31397249, 156986245]

約数ペア:

[(1, 156986245), (5, 31397249), (13, 12075865), (17, 9234485), (61, 2573545), (65, 2415173), (85, 1846897), (137, 1145885), (221, 710345), (289, 543205), (305, 514709), (685, 229177), (793, 197965), (1037, 151385), (1105, 142069), (1445, 108641), (1781, 88145), (2329, 67405), (3757, 41785), (3965, 39593), (5185, 30277), (8357, 18785), (8905, 17629), (11645, 13481)]