254354724

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{397}}^1$

素因数の和:494

約数の個数: 108

約数和(自身を含む): 713422164

約数和(自身を除く): 459067440

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 397, 444, 468, 481, 666, 794, 962, 1191, 1332, 1369, 1443, 1588, 1924, 2382, 2738, 2886, 3573, 4107, 4329, 4764, 5161, 5476, 5772, 7146, 8214, 8658, 10322, 12321, 14292, 14689, 15483, 16428, 17316, 17797, 20644, 24642, 29378, 30966, 35594, 44067, 46449, 49284, 53391, 58756, 61932, 71188, 88134, 92898, 106782, 132201, 160173, 176268, 185796, 190957, 213564, 264402, 320346, 381914, 528804, 543493, 572871, 640692, 763828, 1086986, 1145742, 1630479, 1718613, 2173972, 2291484, 3260958, 3437226, 4891437, 6521916, 6874452, 7065409, 9782874, 14130818, 19565748, 21196227, 28261636, 42392454, 63588681, 84784908, 127177362, 254354724]

約数ペア:

[(1, 254354724), (2, 127177362), (3, 84784908), (4, 63588681), (6, 42392454), (9, 28261636), (12, 21196227), (13, 19565748), (18, 14130818), (26, 9782874), (36, 7065409), (37, 6874452), (39, 6521916), (52, 4891437), (74, 3437226), (78, 3260958), (111, 2291484), (117, 2173972), (148, 1718613), (156, 1630479), (222, 1145742), (234, 1086986), (333, 763828), (397, 640692), (444, 572871), (468, 543493), (481, 528804), (666, 381914), (794, 320346), (962, 264402), (1191, 213564), (1332, 190957), (1369, 185796), (1443, 176268), (1588, 160173), (1924, 132201), (2382, 106782), (2738, 92898), (2886, 88134), (3573, 71188), (4107, 61932), (4329, 58756), (4764, 53391), (5161, 49284), (5476, 46449), (5772, 44067), (7146, 35594), (8214, 30966), (8658, 29378), (10322, 24642), (12321, 20644), (14292, 17797), (14689, 17316), (15483, 16428)]