15721394988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{618271}}^1$

素因数の和:618454

約数の個数: 48

約数和(自身を含む): 39747470336

約数和(自身を除く): 24026075348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 652, 978, 1956, 2119, 4238, 6357, 8476, 12714, 25428, 618271, 1236542, 1854813, 2473084, 3709626, 7419252, 8037523, 16075046, 24112569, 32150092, 48225138, 96450276, 100778173, 201556346, 302334519, 403112692, 604669038, 1209338076, 1310116249, 2620232498, 3930348747, 5240464996, 7860697494, 15721394988]

約数ペア:

[(1, 15721394988), (2, 7860697494), (3, 5240464996), (4, 3930348747), (6, 2620232498), (12, 1310116249), (13, 1209338076), (26, 604669038), (39, 403112692), (52, 302334519), (78, 201556346), (156, 100778173), (163, 96450276), (326, 48225138), (489, 32150092), (652, 24112569), (978, 16075046), (1956, 8037523), (2119, 7419252), (4238, 3709626), (6357, 2473084), (8476, 1854813), (12714, 1236542), (25428, 618271)]