28803564

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 75479040

約数和(自身を除く): 46675476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 71, 118, 142, 177, 191, 213, 236, 284, 354, 382, 426, 531, 573, 639, 708, 764, 852, 1062, 1146, 1278, 1719, 2124, 2292, 2556, 3438, 4189, 6876, 8378, 11269, 12567, 13561, 16756, 22538, 25134, 27122, 33807, 37701, 40683, 45076, 50268, 54244, 67614, 75402, 81366, 101421, 122049, 135228, 150804, 162732, 202842, 244098, 405684, 488196, 800099, 1600198, 2400297, 3200396, 4800594, 7200891, 9601188, 14401782, 28803564]

約数ペア:

[(1, 28803564), (2, 14401782), (3, 9601188), (4, 7200891), (6, 4800594), (9, 3200396), (12, 2400297), (18, 1600198), (36, 800099), (59, 488196), (71, 405684), (118, 244098), (142, 202842), (177, 162732), (191, 150804), (213, 135228), (236, 122049), (284, 101421), (354, 81366), (382, 75402), (426, 67614), (531, 54244), (573, 50268), (639, 45076), (708, 40683), (764, 37701), (852, 33807), (1062, 27122), (1146, 25134), (1278, 22538), (1719, 16756), (2124, 13561), (2292, 12567), (2556, 11269), (3438, 8378), (4189, 6876)]