81216772

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 186278400

約数和(自身を除く): 105061628

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 89, 91, 92, 109, 161, 178, 182, 218, 299, 322, 356, 364, 436, 598, 623, 644, 763, 1157, 1196, 1246, 1417, 1526, 2047, 2093, 2314, 2492, 2507, 2834, 3052, 4094, 4186, 4628, 5014, 5668, 8099, 8188, 8372, 9701, 9919, 10028, 14329, 16198, 17549, 19402, 19838, 26611, 28658, 32396, 32591, 35098, 38804, 39676, 53222, 57316, 65182, 67907, 70196, 106444, 126113, 130364, 135814, 186277, 223123, 228137, 252226, 271628, 372554, 446246, 456274, 504452, 745108, 882791, 892492, 912548, 1561861, 1765582, 2900599, 3123722, 3531164, 5801198, 6247444, 11602396, 20304193, 40608386, 81216772]

約数ペア:

[(1, 81216772), (2, 40608386), (4, 20304193), (7, 11602396), (13, 6247444), (14, 5801198), (23, 3531164), (26, 3123722), (28, 2900599), (46, 1765582), (52, 1561861), (89, 912548), (91, 892492), (92, 882791), (109, 745108), (161, 504452), (178, 456274), (182, 446246), (218, 372554), (299, 271628), (322, 252226), (356, 228137), (364, 223123), (436, 186277), (598, 135814), (623, 130364), (644, 126113), (763, 106444), (1157, 70196), (1196, 67907), (1246, 65182), (1417, 57316), (1526, 53222), (2047, 39676), (2093, 38804), (2314, 35098), (2492, 32591), (2507, 32396), (2834, 28658), (3052, 26611), (4094, 19838), (4186, 19402), (4628, 17549), (5014, 16198), (5668, 14329), (8099, 10028), (8188, 9919), (8372, 9701)]