28100124

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 77408240

約数和(自身を除く): 49308116

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 468, 582, 619, 873, 1164, 1238, 1261, 1746, 1857, 2476, 2522, 3492, 3714, 3783, 5044, 5571, 7428, 7566, 8047, 11142, 11349, 15132, 16094, 22284, 22698, 24141, 32188, 45396, 48282, 60043, 72423, 96564, 120086, 144846, 180129, 240172, 289692, 360258, 540387, 720516, 780559, 1080774, 1561118, 2161548, 2341677, 3122236, 4683354, 7025031, 9366708, 14050062, 28100124]

約数ペア:

[(1, 28100124), (2, 14050062), (3, 9366708), (4, 7025031), (6, 4683354), (9, 3122236), (12, 2341677), (13, 2161548), (18, 1561118), (26, 1080774), (36, 780559), (39, 720516), (52, 540387), (78, 360258), (97, 289692), (117, 240172), (156, 180129), (194, 144846), (234, 120086), (291, 96564), (388, 72423), (468, 60043), (582, 48282), (619, 45396), (873, 32188), (1164, 24141), (1238, 22698), (1261, 22284), (1746, 16094), (1857, 15132), (2476, 11349), (2522, 11142), (3492, 8047), (3714, 7566), (3783, 7428), (5044, 5571)]