128021238

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 282934080

約数和(自身を除く): 154912842

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 197, 237, 394, 457, 474, 591, 711, 914, 1182, 1371, 1422, 1773, 2742, 3546, 4113, 8226, 15563, 31126, 36103, 46689, 72206, 90029, 93378, 108309, 140067, 180058, 216618, 270087, 280134, 324927, 540174, 649854, 810261, 1620522, 7112291, 14224582, 21336873, 42673746, 64010619, 128021238]

約数ペア:

[(1, 128021238), (2, 64010619), (3, 42673746), (6, 21336873), (9, 14224582), (18, 7112291), (79, 1620522), (158, 810261), (197, 649854), (237, 540174), (394, 324927), (457, 280134), (474, 270087), (591, 216618), (711, 180058), (914, 140067), (1182, 108309), (1371, 93378), (1422, 90029), (1773, 72206), (2742, 46689), (3546, 36103), (4113, 31126), (8226, 15563)]