16886072

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 38154240

約数和(自身を除く): 21268168

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 71, 124, 137, 142, 217, 248, 274, 284, 434, 497, 548, 568, 868, 959, 994, 1096, 1736, 1918, 1988, 2201, 3836, 3976, 4247, 4402, 7672, 8494, 8804, 9727, 15407, 16988, 17608, 19454, 29729, 30814, 33976, 38908, 59458, 61628, 68089, 77816, 118916, 123256, 136178, 237832, 272356, 301537, 544712, 603074, 1206148, 2110759, 2412296, 4221518, 8443036, 16886072]

約数ペア:

[(1, 16886072), (2, 8443036), (4, 4221518), (7, 2412296), (8, 2110759), (14, 1206148), (28, 603074), (31, 544712), (56, 301537), (62, 272356), (71, 237832), (124, 136178), (137, 123256), (142, 118916), (217, 77816), (248, 68089), (274, 61628), (284, 59458), (434, 38908), (497, 33976), (548, 30814), (568, 29729), (868, 19454), (959, 17608), (994, 16988), (1096, 15407), (1736, 9727), (1918, 8804), (1988, 8494), (2201, 7672), (3836, 4402), (3976, 4247)]