391690208

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4400

約数の個数: 96

約数和(自身を含む): 979937280

約数和(自身を除く): 588247072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 496, 728, 806, 868, 992, 1456, 1612, 1736, 2821, 2912, 3224, 3472, 4339, 5642, 6448, 6944, 8678, 11284, 12896, 17356, 22568, 30373, 34712, 45136, 56407, 60746, 69424, 90272, 112814, 121492, 134509, 138848, 225628, 242984, 269018, 394849, 451256, 485968, 538036, 789698, 902512, 941563, 971936, 1076072, 1579396, 1748617, 1805024, 1883126, 2152144, 3158792, 3497234, 3766252, 4304288, 6317584, 6994468, 7532504, 12240319, 12635168, 13988936, 15065008, 24480638, 27977872, 30130016, 48961276, 55955744, 97922552, 195845104, 391690208]

約数ペア:

[(1, 391690208), (2, 195845104), (4, 97922552), (7, 55955744), (8, 48961276), (13, 30130016), (14, 27977872), (16, 24480638), (26, 15065008), (28, 13988936), (31, 12635168), (32, 12240319), (52, 7532504), (56, 6994468), (62, 6317584), (91, 4304288), (104, 3766252), (112, 3497234), (124, 3158792), (182, 2152144), (208, 1883126), (217, 1805024), (224, 1748617), (248, 1579396), (364, 1076072), (403, 971936), (416, 941563), (434, 902512), (496, 789698), (728, 538036), (806, 485968), (868, 451256), (992, 394849), (1456, 269018), (1612, 242984), (1736, 225628), (2821, 138848), (2912, 134509), (3224, 121492), (3472, 112814), (4339, 90272), (5642, 69424), (6448, 60746), (6944, 56407), (8678, 45136), (11284, 34712), (12896, 30373), (17356, 22568)]