64926368

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1609}}^1$

素因数の和:1729

約数の個数: 48

約数和(自身を含む): 139161960

約数和(自身を除く): 74235592

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 97, 104, 194, 208, 388, 416, 776, 1261, 1552, 1609, 2522, 3104, 3218, 5044, 6436, 10088, 12872, 20176, 20917, 25744, 40352, 41834, 51488, 83668, 156073, 167336, 312146, 334672, 624292, 669344, 1248584, 2028949, 2497168, 4057898, 4994336, 8115796, 16231592, 32463184, 64926368]

約数ペア:

[(1, 64926368), (2, 32463184), (4, 16231592), (8, 8115796), (13, 4994336), (16, 4057898), (26, 2497168), (32, 2028949), (52, 1248584), (97, 669344), (104, 624292), (194, 334672), (208, 312146), (388, 167336), (416, 156073), (776, 83668), (1261, 51488), (1552, 41834), (1609, 40352), (2522, 25744), (3104, 20917), (3218, 20176), (5044, 12872), (6436, 10088)]