261645156

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{467}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 674593920

約数和(自身を除く): 412948764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 197, 237, 316, 394, 467, 474, 591, 711, 788, 934, 948, 1182, 1401, 1422, 1773, 1868, 2364, 2802, 2844, 3546, 4203, 5604, 7092, 8406, 15563, 16812, 31126, 36893, 46689, 62252, 73786, 91999, 93378, 110679, 140067, 147572, 183998, 186756, 221358, 275997, 280134, 332037, 367996, 442716, 551994, 560268, 664074, 827991, 1103988, 1328148, 1655982, 3311964, 7267921, 14535842, 21803763, 29071684, 43607526, 65411289, 87215052, 130822578, 261645156]

約数ペア:

[(1, 261645156), (2, 130822578), (3, 87215052), (4, 65411289), (6, 43607526), (9, 29071684), (12, 21803763), (18, 14535842), (36, 7267921), (79, 3311964), (158, 1655982), (197, 1328148), (237, 1103988), (316, 827991), (394, 664074), (467, 560268), (474, 551994), (591, 442716), (711, 367996), (788, 332037), (934, 280134), (948, 275997), (1182, 221358), (1401, 186756), (1422, 183998), (1773, 147572), (1868, 140067), (2364, 110679), (2802, 93378), (2844, 91999), (3546, 73786), (4203, 62252), (5604, 46689), (7092, 36893), (8406, 31126), (15563, 16812)]