221941356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{563}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 673876224

約数和(自身を除く): 451934868

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 361, 364, 399, 494, 532, 546, 563, 722, 741, 798, 988, 1083, 1092, 1126, 1444, 1482, 1596, 1689, 1729, 2166, 2252, 2527, 2964, 3378, 3458, 3941, 4332, 4693, 5054, 5187, 6756, 6916, 7319, 7581, 7882, 9386, 10108, 10374, 10697, 11823, 14079, 14638, 15162, 15764, 18772, 20748, 21394, 21957, 23646, 28158, 29276, 30324, 32091, 32851, 42788, 43914, 47292, 51233, 56316, 64182, 65702, 74879, 87828, 98553, 102466, 128364, 131404, 139061, 149758, 153699, 197106, 203243, 204932, 224637, 278122, 299516, 307398, 394212, 406486, 417183, 449274, 556244, 609729, 614796, 812972, 834366, 898548, 973427, 1219458, 1422701, 1668732, 1946854, 2438916, 2642159, 2845402, 2920281, 3893708, 4268103, 5284318, 5690804, 5840562, 7926477, 8536206, 10568636, 11681124, 15852954, 17072412, 18495113, 31705908, 36990226, 55485339, 73980452, 110970678, 221941356]

約数ペア:

[(1, 221941356), (2, 110970678), (3, 73980452), (4, 55485339), (6, 36990226), (7, 31705908), (12, 18495113), (13, 17072412), (14, 15852954), (19, 11681124), (21, 10568636), (26, 8536206), (28, 7926477), (38, 5840562), (39, 5690804), (42, 5284318), (52, 4268103), (57, 3893708), (76, 2920281), (78, 2845402), (84, 2642159), (91, 2438916), (114, 1946854), (133, 1668732), (156, 1422701), (182, 1219458), (228, 973427), (247, 898548), (266, 834366), (273, 812972), (361, 614796), (364, 609729), (399, 556244), (494, 449274), (532, 417183), (546, 406486), (563, 394212), (722, 307398), (741, 299516), (798, 278122), (988, 224637), (1083, 204932), (1092, 203243), (1126, 197106), (1444, 153699), (1482, 149758), (1596, 139061), (1689, 131404), (1729, 128364), (2166, 102466), (2252, 98553), (2527, 87828), (2964, 74879), (3378, 65702), (3458, 64182), (3941, 56316), (4332, 51233), (4693, 47292), (5054, 43914), (5187, 42788), (6756, 32851), (6916, 32091), (7319, 30324), (7581, 29276), (7882, 28158), (9386, 23646), (10108, 21957), (10374, 21394), (10697, 20748), (11823, 18772), (14079, 15764), (14638, 15162)]