31806456

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 96940800

約数和(自身を除く): 65134344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 19, 22, 24, 33, 34, 38, 44, 51, 57, 66, 68, 76, 88, 102, 114, 132, 136, 152, 187, 204, 209, 228, 264, 323, 373, 374, 408, 418, 456, 561, 627, 646, 746, 748, 836, 969, 1119, 1122, 1254, 1292, 1492, 1496, 1672, 1938, 2238, 2244, 2508, 2584, 2984, 3553, 3876, 4103, 4476, 4488, 5016, 6341, 7087, 7106, 7752, 8206, 8952, 10659, 12309, 12682, 14174, 14212, 16412, 19023, 21261, 21318, 24618, 25364, 28348, 28424, 32824, 38046, 42522, 42636, 49236, 50728, 56696, 69751, 76092, 77957, 85044, 85272, 98472, 120479, 139502, 152184, 155914, 170088, 209253, 233871, 240958, 279004, 311828, 361437, 418506, 467742, 481916, 558008, 623656, 722874, 837012, 935484, 963832, 1325269, 1445748, 1674024, 1870968, 2650538, 2891496, 3975807, 5301076, 7951614, 10602152, 15903228, 31806456]

約数ペア:

[(1, 31806456), (2, 15903228), (3, 10602152), (4, 7951614), (6, 5301076), (8, 3975807), (11, 2891496), (12, 2650538), (17, 1870968), (19, 1674024), (22, 1445748), (24, 1325269), (33, 963832), (34, 935484), (38, 837012), (44, 722874), (51, 623656), (57, 558008), (66, 481916), (68, 467742), (76, 418506), (88, 361437), (102, 311828), (114, 279004), (132, 240958), (136, 233871), (152, 209253), (187, 170088), (204, 155914), (209, 152184), (228, 139502), (264, 120479), (323, 98472), (373, 85272), (374, 85044), (408, 77957), (418, 76092), (456, 69751), (561, 56696), (627, 50728), (646, 49236), (746, 42636), (748, 42522), (836, 38046), (969, 32824), (1119, 28424), (1122, 28348), (1254, 25364), (1292, 24618), (1492, 21318), (1496, 21261), (1672, 19023), (1938, 16412), (2238, 14212), (2244, 14174), (2508, 12682), (2584, 12309), (2984, 10659), (3553, 8952), (3876, 8206), (4103, 7752), (4476, 7106), (4488, 7087), (5016, 6341)]