72511256

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 146623200

約数和(自身を除く): 74111944

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 289, 316, 397, 578, 632, 794, 1156, 1343, 1588, 2312, 2686, 3176, 5372, 6749, 10744, 13498, 22831, 26996, 31363, 45662, 53992, 62726, 91324, 114733, 125452, 182648, 229466, 250904, 458932, 533171, 917864, 1066342, 2132684, 4265368, 9063907, 18127814, 36255628, 72511256]

約数ペア:

[(1, 72511256), (2, 36255628), (4, 18127814), (8, 9063907), (17, 4265368), (34, 2132684), (68, 1066342), (79, 917864), (136, 533171), (158, 458932), (289, 250904), (316, 229466), (397, 182648), (578, 125452), (632, 114733), (794, 91324), (1156, 62726), (1343, 53992), (1588, 45662), (2312, 31363), (2686, 26996), (3176, 22831), (5372, 13498), (6749, 10744)]