2158944190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1\times {\mathrm{383}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 4240760832

約数和(自身を除く): 2081816642

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 331, 383, 655, 662, 766, 1310, 1655, 1703, 1915, 3310, 3406, 3830, 4303, 4979, 8515, 8606, 9958, 17030, 21515, 24895, 43030, 43361, 49790, 50173, 86722, 100346, 126773, 216805, 250865, 253546, 433610, 501730, 563693, 633865, 652249, 1127386, 1267730, 1304498, 1648049, 2818465, 3261245, 3296098, 5636930, 6522490, 8240245, 16480490, 16607263, 33214526, 83036315, 166072630, 215894419, 431788838, 1079472095, 2158944190]

約数ペア:

[(1, 2158944190), (2, 1079472095), (5, 431788838), (10, 215894419), (13, 166072630), (26, 83036315), (65, 33214526), (130, 16607263), (131, 16480490), (262, 8240245), (331, 6522490), (383, 5636930), (655, 3296098), (662, 3261245), (766, 2818465), (1310, 1648049), (1655, 1304498), (1703, 1267730), (1915, 1127386), (3310, 652249), (3406, 633865), (3830, 563693), (4303, 501730), (4979, 433610), (8515, 253546), (8606, 250865), (9958, 216805), (17030, 126773), (21515, 100346), (24895, 86722), (43030, 50173), (43361, 49790)]