89578996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 180351360

約数和(自身を除く): 90772364

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 71, 76, 142, 247, 284, 494, 923, 988, 1277, 1349, 1846, 2554, 2698, 3692, 5108, 5396, 16601, 17537, 24263, 33202, 35074, 48526, 66404, 70148, 90667, 97052, 181334, 315419, 362668, 630838, 1178671, 1261676, 1722673, 2357342, 3445346, 4714684, 6890692, 22394749, 44789498, 89578996]

約数ペア:

[(1, 89578996), (2, 44789498), (4, 22394749), (13, 6890692), (19, 4714684), (26, 3445346), (38, 2357342), (52, 1722673), (71, 1261676), (76, 1178671), (142, 630838), (247, 362668), (284, 315419), (494, 181334), (923, 97052), (988, 90667), (1277, 70148), (1349, 66404), (1846, 48526), (2554, 35074), (2698, 33202), (3692, 24263), (5108, 17537), (5396, 16601)]