261656172

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1307}}^1$

素因数の和:1467

約数の個数: 72

約数和(自身を含む): 679887936

約数和(自身を除く): 418231764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 83, 134, 166, 201, 249, 268, 332, 402, 498, 603, 747, 804, 996, 1206, 1307, 1494, 2412, 2614, 2988, 3921, 5228, 5561, 7842, 11122, 11763, 15684, 16683, 22244, 23526, 33366, 47052, 50049, 66732, 87569, 100098, 108481, 175138, 200196, 216962, 262707, 325443, 350276, 433924, 525414, 650886, 788121, 976329, 1050828, 1301772, 1576242, 1952658, 3152484, 3905316, 7268227, 14536454, 21804681, 29072908, 43609362, 65414043, 87218724, 130828086, 261656172]

約数ペア:

[(1, 261656172), (2, 130828086), (3, 87218724), (4, 65414043), (6, 43609362), (9, 29072908), (12, 21804681), (18, 14536454), (36, 7268227), (67, 3905316), (83, 3152484), (134, 1952658), (166, 1576242), (201, 1301772), (249, 1050828), (268, 976329), (332, 788121), (402, 650886), (498, 525414), (603, 433924), (747, 350276), (804, 325443), (996, 262707), (1206, 216962), (1307, 200196), (1494, 175138), (2412, 108481), (2614, 100098), (2988, 87569), (3921, 66732), (5228, 50049), (5561, 47052), (7842, 33366), (11122, 23526), (11763, 22244), (15684, 16683)]