389884428

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{19727}}^1$

素因数の和:19804

約数の個数: 60

約数和(自身を含む): 1035996192

約数和(自身を除く): 646111764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 244, 324, 366, 549, 732, 1098, 1647, 2196, 3294, 4941, 6588, 9882, 19727, 19764, 39454, 59181, 78908, 118362, 177543, 236724, 355086, 532629, 710172, 1065258, 1203347, 1597887, 2130516, 2406694, 3195774, 3610041, 4813388, 6391548, 7220082, 10830123, 14440164, 21660246, 32490369, 43320492, 64980738, 97471107, 129961476, 194942214, 389884428]

約数ペア:

[(1, 389884428), (2, 194942214), (3, 129961476), (4, 97471107), (6, 64980738), (9, 43320492), (12, 32490369), (18, 21660246), (27, 14440164), (36, 10830123), (54, 7220082), (61, 6391548), (81, 4813388), (108, 3610041), (122, 3195774), (162, 2406694), (183, 2130516), (244, 1597887), (324, 1203347), (366, 1065258), (549, 710172), (732, 532629), (1098, 355086), (1647, 236724), (2196, 177543), (3294, 118362), (4941, 78908), (6588, 59181), (9882, 39454), (19727, 19764)]