28565316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 79008384

約数和(自身を除く): 50443068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 603, 804, 871, 911, 1206, 1742, 1822, 2412, 2613, 2733, 3484, 3644, 5226, 5466, 7839, 8199, 10452, 10932, 11843, 15678, 16398, 23686, 31356, 32796, 35529, 47372, 61037, 71058, 106587, 122074, 142116, 183111, 213174, 244148, 366222, 426348, 549333, 732444, 793481, 1098666, 1586962, 2197332, 2380443, 3173924, 4760886, 7141329, 9521772, 14282658, 28565316]

約数ペア:

[(1, 28565316), (2, 14282658), (3, 9521772), (4, 7141329), (6, 4760886), (9, 3173924), (12, 2380443), (13, 2197332), (18, 1586962), (26, 1098666), (36, 793481), (39, 732444), (52, 549333), (67, 426348), (78, 366222), (117, 244148), (134, 213174), (156, 183111), (201, 142116), (234, 122074), (268, 106587), (402, 71058), (468, 61037), (603, 47372), (804, 35529), (871, 32796), (911, 31356), (1206, 23686), (1742, 16398), (1822, 15678), (2412, 11843), (2613, 10932), (2733, 10452), (3484, 8199), (3644, 7839), (5226, 5466)]