257021388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14843}}^1$

素因数の和:14903

約数の個数: 72

約数和(自身を含む): 718627728

約数和(自身を除く): 461606340

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1332, 1443, 1924, 2886, 4329, 5772, 8658, 14843, 17316, 29686, 44529, 59372, 89058, 133587, 178116, 192959, 267174, 385918, 534348, 549191, 578877, 771836, 1098382, 1157754, 1647573, 1736631, 2196764, 2315508, 3295146, 3473262, 4942719, 6590292, 6946524, 7139483, 9885438, 14278966, 19770876, 21418449, 28557932, 42836898, 64255347, 85673796, 128510694, 257021388]

約数ペア:

[(1, 257021388), (2, 128510694), (3, 85673796), (4, 64255347), (6, 42836898), (9, 28557932), (12, 21418449), (13, 19770876), (18, 14278966), (26, 9885438), (36, 7139483), (37, 6946524), (39, 6590292), (52, 4942719), (74, 3473262), (78, 3295146), (111, 2315508), (117, 2196764), (148, 1736631), (156, 1647573), (222, 1157754), (234, 1098382), (333, 771836), (444, 578877), (468, 549191), (481, 534348), (666, 385918), (962, 267174), (1332, 192959), (1443, 178116), (1924, 133587), (2886, 89058), (4329, 59372), (5772, 44529), (8658, 29686), (14843, 17316)]