618123948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{74761}}^1$

素因数の和:74834

約数の個数: 48

約数和(自身を含む): 1582562016

約数和(自身を除く): 964438068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2756, 4134, 8268, 74761, 149522, 224283, 299044, 448566, 897132, 971893, 1943786, 2915679, 3887572, 3962333, 5831358, 7924666, 11662716, 11886999, 15849332, 23773998, 47547996, 51510329, 103020658, 154530987, 206041316, 309061974, 618123948]

約数ペア:

[(1, 618123948), (2, 309061974), (3, 206041316), (4, 154530987), (6, 103020658), (12, 51510329), (13, 47547996), (26, 23773998), (39, 15849332), (52, 11886999), (53, 11662716), (78, 7924666), (106, 5831358), (156, 3962333), (159, 3887572), (212, 2915679), (318, 1943786), (636, 971893), (689, 897132), (1378, 448566), (2067, 299044), (2756, 224283), (4134, 149522), (8268, 74761)]