644589816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2293}}^1$

素因数の和:2385

約数の個数: 128

約数和(自身を含む): 1873005120

約数和(自身を除く): 1228415304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 53, 68, 78, 102, 104, 106, 136, 156, 159, 204, 212, 221, 312, 318, 408, 424, 442, 636, 663, 689, 884, 901, 1272, 1326, 1378, 1768, 1802, 2067, 2293, 2652, 2703, 2756, 3604, 4134, 4586, 5304, 5406, 5512, 6879, 7208, 8268, 9172, 10812, 11713, 13758, 16536, 18344, 21624, 23426, 27516, 29809, 35139, 38981, 46852, 55032, 59618, 70278, 77962, 89427, 93704, 116943, 119236, 121529, 140556, 155924, 178854, 233886, 238472, 243058, 281112, 311848, 357708, 364587, 467772, 486116, 506753, 715416, 729174, 935544, 972232, 1013506, 1458348, 1520259, 1579877, 2027012, 2065993, 2916696, 3040518, 3159754, 4054024, 4131986, 4739631, 6081036, 6197979, 6319508, 8263972, 9479262, 12162072, 12395958, 12639016, 16527944, 18958524, 24791916, 26857909, 37917048, 49583832, 53715818, 80573727, 107431636, 161147454, 214863272, 322294908, 644589816]

約数ペア:

[(1, 644589816), (2, 322294908), (3, 214863272), (4, 161147454), (6, 107431636), (8, 80573727), (12, 53715818), (13, 49583832), (17, 37917048), (24, 26857909), (26, 24791916), (34, 18958524), (39, 16527944), (51, 12639016), (52, 12395958), (53, 12162072), (68, 9479262), (78, 8263972), (102, 6319508), (104, 6197979), (106, 6081036), (136, 4739631), (156, 4131986), (159, 4054024), (204, 3159754), (212, 3040518), (221, 2916696), (312, 2065993), (318, 2027012), (408, 1579877), (424, 1520259), (442, 1458348), (636, 1013506), (663, 972232), (689, 935544), (884, 729174), (901, 715416), (1272, 506753), (1326, 486116), (1378, 467772), (1768, 364587), (1802, 357708), (2067, 311848), (2293, 281112), (2652, 243058), (2703, 238472), (2756, 233886), (3604, 178854), (4134, 155924), (4586, 140556), (5304, 121529), (5406, 119236), (5512, 116943), (6879, 93704), (7208, 89427), (8268, 77962), (9172, 70278), (10812, 59618), (11713, 55032), (13758, 46852), (16536, 38981), (18344, 35139), (21624, 29809), (23426, 27516)]