25701228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1291}}^1$

素因数の和:1387

約数の個数: 72

約数和(自身を含む): 75246080

約数和(自身を除く): 49544852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1106, 1291, 1422, 1659, 2212, 2582, 2844, 3318, 3873, 4977, 5164, 6636, 7746, 9037, 9954, 11619, 15492, 18074, 19908, 23238, 27111, 36148, 46476, 54222, 81333, 101989, 108444, 162666, 203978, 305967, 325332, 407956, 611934, 713923, 917901, 1223868, 1427846, 1835802, 2141769, 2855692, 3671604, 4283538, 6425307, 8567076, 12850614, 25701228]

約数ペア:

[(1, 25701228), (2, 12850614), (3, 8567076), (4, 6425307), (6, 4283538), (7, 3671604), (9, 2855692), (12, 2141769), (14, 1835802), (18, 1427846), (21, 1223868), (28, 917901), (36, 713923), (42, 611934), (63, 407956), (79, 325332), (84, 305967), (126, 203978), (158, 162666), (237, 108444), (252, 101989), (316, 81333), (474, 54222), (553, 46476), (711, 36148), (948, 27111), (1106, 23238), (1291, 19908), (1422, 18074), (1659, 15492), (2212, 11619), (2582, 9954), (2844, 9037), (3318, 7746), (3873, 6636), (4977, 5164)]