1109123456

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:672

約数の個数: 128

約数和(自身を含む): 2647234560

約数和(自身を除く): 1538111104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 73, 112, 124, 128, 146, 217, 224, 248, 292, 434, 448, 496, 511, 547, 584, 868, 896, 992, 1022, 1094, 1168, 1736, 1984, 2044, 2188, 2263, 2336, 3472, 3829, 3968, 4088, 4376, 4526, 4672, 6944, 7658, 8176, 8752, 9052, 9344, 13888, 15316, 15841, 16352, 16957, 17504, 18104, 27776, 30632, 31682, 32704, 33914, 35008, 36208, 39931, 61264, 63364, 65408, 67828, 70016, 72416, 79862, 118699, 122528, 126728, 135656, 144832, 159724, 237398, 245056, 253456, 271312, 279517, 289664, 319448, 474796, 490112, 506912, 542624, 559034, 638896, 949592, 1013824, 1085248, 1118068, 1237861, 1277792, 1899184, 2027648, 2170496, 2236136, 2475722, 2555584, 3798368, 4472272, 4951444, 5111168, 7596736, 8665027, 8944544, 9902888, 15193472, 17330054, 17889088, 19805776, 34660108, 35778176, 39611552, 69320216, 79223104, 138640432, 158446208, 277280864, 554561728, 1109123456]

約数ペア:

[(1, 1109123456), (2, 554561728), (4, 277280864), (7, 158446208), (8, 138640432), (14, 79223104), (16, 69320216), (28, 39611552), (31, 35778176), (32, 34660108), (56, 19805776), (62, 17889088), (64, 17330054), (73, 15193472), (112, 9902888), (124, 8944544), (128, 8665027), (146, 7596736), (217, 5111168), (224, 4951444), (248, 4472272), (292, 3798368), (434, 2555584), (448, 2475722), (496, 2236136), (511, 2170496), (547, 2027648), (584, 1899184), (868, 1277792), (896, 1237861), (992, 1118068), (1022, 1085248), (1094, 1013824), (1168, 949592), (1736, 638896), (1984, 559034), (2044, 542624), (2188, 506912), (2263, 490112), (2336, 474796), (3472, 319448), (3829, 289664), (3968, 279517), (4088, 271312), (4376, 253456), (4526, 245056), (4672, 237398), (6944, 159724), (7658, 144832), (8176, 135656), (8752, 126728), (9052, 122528), (9344, 118699), (13888, 79862), (15316, 72416), (15841, 70016), (16352, 67828), (16957, 65408), (17504, 63364), (18104, 61264), (27776, 39931), (30632, 36208), (31682, 35008), (32704, 33914)]