16401331856

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{67453}}^1$

素因数の和:67648

約数の個数: 80

約数和(自身を含む): 39345648384

約数和(自身を除く): 22944316528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 167, 182, 208, 334, 364, 668, 728, 1169, 1336, 1456, 2171, 2338, 2672, 4342, 4676, 8684, 9352, 15197, 17368, 18704, 30394, 34736, 60788, 67453, 121576, 134906, 243152, 269812, 472171, 539624, 876889, 944342, 1079248, 1753778, 1888684, 3507556, 3777368, 6138223, 7015112, 7554736, 11264651, 12276446, 14030224, 22529302, 24552892, 45058604, 49105784, 78852557, 90117208, 98211568, 146440463, 157705114, 180234416, 292880926, 315410228, 585761852, 630820456, 1025083241, 1171523704, 1261640912, 2050166482, 2343047408, 4100332964, 8200665928, 16401331856]

約数ペア:

[(1, 16401331856), (2, 8200665928), (4, 4100332964), (7, 2343047408), (8, 2050166482), (13, 1261640912), (14, 1171523704), (16, 1025083241), (26, 630820456), (28, 585761852), (52, 315410228), (56, 292880926), (91, 180234416), (104, 157705114), (112, 146440463), (167, 98211568), (182, 90117208), (208, 78852557), (334, 49105784), (364, 45058604), (668, 24552892), (728, 22529302), (1169, 14030224), (1336, 12276446), (1456, 11264651), (2171, 7554736), (2338, 7015112), (2672, 6138223), (4342, 3777368), (4676, 3507556), (8684, 1888684), (9352, 1753778), (15197, 1079248), (17368, 944342), (18704, 876889), (30394, 539624), (34736, 472171), (60788, 269812), (67453, 243152), (121576, 134906)]