398168472

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20921}}^1$

素因数の和:21004

約数の個数: 64

約数和(自身を含む): 1089617760

約数和(自身を除く): 691449288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 104, 122, 156, 183, 244, 312, 366, 488, 732, 793, 1464, 1586, 2379, 3172, 4758, 6344, 9516, 19032, 20921, 41842, 62763, 83684, 125526, 167368, 251052, 271973, 502104, 543946, 815919, 1087892, 1276181, 1631838, 2175784, 2552362, 3263676, 3828543, 5104724, 6527352, 7657086, 10209448, 15314172, 16590353, 30628344, 33180706, 49771059, 66361412, 99542118, 132722824, 199084236, 398168472]

約数ペア:

[(1, 398168472), (2, 199084236), (3, 132722824), (4, 99542118), (6, 66361412), (8, 49771059), (12, 33180706), (13, 30628344), (24, 16590353), (26, 15314172), (39, 10209448), (52, 7657086), (61, 6527352), (78, 5104724), (104, 3828543), (122, 3263676), (156, 2552362), (183, 2175784), (244, 1631838), (312, 1276181), (366, 1087892), (488, 815919), (732, 543946), (793, 502104), (1464, 271973), (1586, 251052), (2379, 167368), (3172, 125526), (4758, 83684), (6344, 62763), (9516, 41842), (19032, 20921)]