251342676

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{19891}}^1$

素因数の和:19923

約数の個数: 72

約数和(自身を含む): 709587424

約数和(自身を除く): 458244748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 2106, 3159, 4212, 6318, 12636, 19891, 39782, 59673, 79564, 119346, 179019, 238692, 258583, 358038, 517166, 537057, 716076, 775749, 1034332, 1074114, 1551498, 1611171, 2148228, 2327247, 3102996, 3222342, 4654494, 4833513, 6444684, 6981741, 9308988, 9667026, 13963482, 19334052, 20945223, 27926964, 41890446, 62835669, 83780892, 125671338, 251342676]

約数ペア:

[(1, 251342676), (2, 125671338), (3, 83780892), (4, 62835669), (6, 41890446), (9, 27926964), (12, 20945223), (13, 19334052), (18, 13963482), (26, 9667026), (27, 9308988), (36, 6981741), (39, 6444684), (52, 4833513), (54, 4654494), (78, 3222342), (81, 3102996), (108, 2327247), (117, 2148228), (156, 1611171), (162, 1551498), (234, 1074114), (243, 1034332), (324, 775749), (351, 716076), (468, 537057), (486, 517166), (702, 358038), (972, 258583), (1053, 238692), (1404, 179019), (2106, 119346), (3159, 79564), (4212, 59673), (6318, 39782), (12636, 19891)]