219388494

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 487872000

約数和(自身を除く): 268483506

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 149, 258, 298, 439, 447, 559, 878, 894, 1118, 1317, 1677, 1937, 2634, 3354, 3874, 5707, 5811, 6407, 11414, 11622, 12814, 17121, 18877, 19221, 34242, 37754, 38442, 56631, 65411, 83291, 113262, 130822, 166582, 196233, 245401, 249873, 392466, 490802, 499746, 736203, 850343, 1472406, 1700686, 2551029, 2812673, 5102058, 5625346, 8438019, 16876038, 36564749, 73129498, 109694247, 219388494]

約数ペア:

[(1, 219388494), (2, 109694247), (3, 73129498), (6, 36564749), (13, 16876038), (26, 8438019), (39, 5625346), (43, 5102058), (78, 2812673), (86, 2551029), (129, 1700686), (149, 1472406), (258, 850343), (298, 736203), (439, 499746), (447, 490802), (559, 392466), (878, 249873), (894, 245401), (1118, 196233), (1317, 166582), (1677, 130822), (1937, 113262), (2634, 83291), (3354, 65411), (3874, 56631), (5707, 38442), (5811, 37754), (6407, 34242), (11414, 19221), (11622, 18877), (12814, 17121)]