391273904

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2309}}^1$

素因数の和:2430

約数の個数: 80

約数和(自身を含む): 928065600

約数和(自身を除く): 536791696

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 89, 112, 119, 136, 178, 238, 272, 356, 476, 623, 712, 952, 1246, 1424, 1513, 1904, 2309, 2492, 3026, 4618, 4984, 6052, 9236, 9968, 10591, 12104, 16163, 18472, 21182, 24208, 32326, 36944, 39253, 42364, 64652, 78506, 84728, 129304, 157012, 169456, 205501, 258608, 274771, 314024, 411002, 549542, 628048, 822004, 1099084, 1438507, 1644008, 2198168, 2877014, 3288016, 3493517, 4396336, 5754028, 6987034, 11508056, 13974068, 23016112, 24454619, 27948136, 48909238, 55896272, 97818476, 195636952, 391273904]

約数ペア:

[(1, 391273904), (2, 195636952), (4, 97818476), (7, 55896272), (8, 48909238), (14, 27948136), (16, 24454619), (17, 23016112), (28, 13974068), (34, 11508056), (56, 6987034), (68, 5754028), (89, 4396336), (112, 3493517), (119, 3288016), (136, 2877014), (178, 2198168), (238, 1644008), (272, 1438507), (356, 1099084), (476, 822004), (623, 628048), (712, 549542), (952, 411002), (1246, 314024), (1424, 274771), (1513, 258608), (1904, 205501), (2309, 169456), (2492, 157012), (3026, 129304), (4618, 84728), (4984, 78506), (6052, 64652), (9236, 42364), (9968, 39253), (10591, 36944), (12104, 32326), (16163, 24208), (18472, 21182)]