398486596

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 762556032

約数和(自身を除く): 364069436

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 251, 502, 629, 631, 1004, 1258, 1262, 2516, 2524, 4267, 8534, 9287, 10727, 17068, 18574, 21454, 23347, 37148, 42908, 46694, 93388, 157879, 158381, 315758, 316762, 396899, 631516, 633524, 793798, 1587596, 2692477, 5384954, 5860097, 10769908, 11720194, 23440388, 99621649, 199243298, 398486596]

約数ペア:

[(1, 398486596), (2, 199243298), (4, 99621649), (17, 23440388), (34, 11720194), (37, 10769908), (68, 5860097), (74, 5384954), (148, 2692477), (251, 1587596), (502, 793798), (629, 633524), (631, 631516), (1004, 396899), (1258, 316762), (1262, 315758), (2516, 158381), (2524, 157879), (4267, 93388), (8534, 46694), (9287, 42908), (10727, 37148), (17068, 23347), (18574, 21454)]