77871628

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 155965824

約数和(自身を除く): 78094196

約数列:

[1, 2, 4, 17, 31, 34, 41, 53, 62, 68, 82, 106, 124, 164, 212, 289, 527, 578, 697, 901, 1054, 1156, 1271, 1394, 1643, 1802, 2108, 2173, 2542, 2788, 3286, 3604, 4346, 5084, 6572, 8692, 8959, 11849, 15317, 17918, 21607, 23698, 27931, 30634, 35836, 36941, 43214, 47396, 55862, 61268, 67363, 73882, 86428, 111724, 134726, 147764, 269452, 367319, 474827, 627997, 734638, 949654, 1145171, 1255994, 1469276, 1899308, 2290342, 2511988, 4580684, 19467907, 38935814, 77871628]

約数ペア:

[(1, 77871628), (2, 38935814), (4, 19467907), (17, 4580684), (31, 2511988), (34, 2290342), (41, 1899308), (53, 1469276), (62, 1255994), (68, 1145171), (82, 949654), (106, 734638), (124, 627997), (164, 474827), (212, 367319), (289, 269452), (527, 147764), (578, 134726), (697, 111724), (901, 86428), (1054, 73882), (1156, 67363), (1271, 61268), (1394, 55862), (1643, 47396), (1802, 43214), (2108, 36941), (2173, 35836), (2542, 30634), (2788, 27931), (3286, 23698), (3604, 21607), (4346, 17918), (5084, 15317), (6572, 11849), (8692, 8959)]