28261144

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 54331200

約数和(自身を除く): 26070056

約数列:

[1, 2, 4, 8, 79, 97, 158, 194, 316, 388, 461, 632, 776, 922, 1844, 3688, 7663, 15326, 30652, 36419, 44717, 61304, 72838, 89434, 145676, 178868, 291352, 357736, 3532643, 7065286, 14130572, 28261144]

約数ペア:

[(1, 28261144), (2, 14130572), (4, 7065286), (8, 3532643), (79, 357736), (97, 291352), (158, 178868), (194, 145676), (316, 89434), (388, 72838), (461, 61304), (632, 44717), (776, 36419), (922, 30652), (1844, 15326), (3688, 7663)]