28479204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 108

約数和(自身を含む): 81000192

約数和(自身を除く): 52520988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 151, 156, 169, 186, 234, 279, 302, 338, 372, 403, 453, 468, 507, 558, 604, 676, 806, 906, 1014, 1116, 1209, 1359, 1521, 1612, 1812, 1963, 2028, 2418, 2718, 3042, 3627, 3926, 4681, 4836, 5239, 5436, 5889, 6084, 7254, 7852, 9362, 10478, 11778, 14043, 14508, 15717, 17667, 18724, 20956, 23556, 25519, 28086, 31434, 35334, 42129, 47151, 51038, 56172, 60853, 62868, 70668, 76557, 84258, 94302, 102076, 121706, 153114, 168516, 182559, 188604, 229671, 243412, 306228, 365118, 459342, 547677, 730236, 791089, 918684, 1095354, 1582178, 2190708, 2373267, 3164356, 4746534, 7119801, 9493068, 14239602, 28479204]

約数ペア:

[(1, 28479204), (2, 14239602), (3, 9493068), (4, 7119801), (6, 4746534), (9, 3164356), (12, 2373267), (13, 2190708), (18, 1582178), (26, 1095354), (31, 918684), (36, 791089), (39, 730236), (52, 547677), (62, 459342), (78, 365118), (93, 306228), (117, 243412), (124, 229671), (151, 188604), (156, 182559), (169, 168516), (186, 153114), (234, 121706), (279, 102076), (302, 94302), (338, 84258), (372, 76557), (403, 70668), (453, 62868), (468, 60853), (507, 56172), (558, 51038), (604, 47151), (676, 42129), (806, 35334), (906, 31434), (1014, 28086), (1116, 25519), (1209, 23556), (1359, 20956), (1521, 18724), (1612, 17667), (1812, 15717), (1963, 14508), (2028, 14043), (2418, 11778), (2718, 10478), (3042, 9362), (3627, 7852), (3926, 7254), (4681, 6084), (4836, 5889), (5239, 5436)]