201238918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 330624000

約数和(自身を除く): 129385082

約数列:

[1, 2, 19, 31, 38, 62, 139, 278, 589, 1178, 1229, 2458, 2641, 4309, 5282, 8618, 23351, 38099, 46702, 76198, 81871, 163742, 170831, 341662, 723881, 1447762, 3245789, 5295761, 6491578, 10591522, 100619459, 201238918]

約数ペア:

[(1, 201238918), (2, 100619459), (19, 10591522), (31, 6491578), (38, 5295761), (62, 3245789), (139, 1447762), (278, 723881), (589, 341662), (1178, 170831), (1229, 163742), (2458, 81871), (2641, 76198), (4309, 46702), (5282, 38099), (8618, 23351)]