78865542

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 215040000

約数和(自身を除く): 136174458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 79, 114, 126, 133, 139, 158, 171, 189, 237, 266, 278, 342, 378, 399, 417, 474, 513, 553, 711, 798, 834, 973, 1026, 1106, 1197, 1251, 1422, 1501, 1659, 1946, 2133, 2394, 2502, 2641, 2919, 3002, 3318, 3591, 3753, 4266, 4503, 4977, 5282, 5838, 7182, 7506, 7923, 8757, 9006, 9954, 10507, 10981, 13509, 14931, 15846, 17514, 18487, 21014, 21962, 23769, 26271, 27018, 29862, 31521, 32943, 36974, 40527, 47538, 52542, 55461, 63042, 65886, 71307, 76867, 81054, 94563, 98829, 110922, 142614, 153734, 166383, 189126, 197658, 208639, 230601, 283689, 296487, 332766, 417278, 461202, 499149, 567378, 592974, 625917, 691803, 998298, 1251834, 1383606, 1460473, 1877751, 2075409, 2920946, 3755502, 4150818, 4381419, 5633253, 8762838, 11266506, 13144257, 26288514, 39432771, 78865542]

約数ペア:

[(1, 78865542), (2, 39432771), (3, 26288514), (6, 13144257), (7, 11266506), (9, 8762838), (14, 5633253), (18, 4381419), (19, 4150818), (21, 3755502), (27, 2920946), (38, 2075409), (42, 1877751), (54, 1460473), (57, 1383606), (63, 1251834), (79, 998298), (114, 691803), (126, 625917), (133, 592974), (139, 567378), (158, 499149), (171, 461202), (189, 417278), (237, 332766), (266, 296487), (278, 283689), (342, 230601), (378, 208639), (399, 197658), (417, 189126), (474, 166383), (513, 153734), (553, 142614), (711, 110922), (798, 98829), (834, 94563), (973, 81054), (1026, 76867), (1106, 71307), (1197, 65886), (1251, 63042), (1422, 55461), (1501, 52542), (1659, 47538), (1946, 40527), (2133, 36974), (2394, 32943), (2502, 31521), (2641, 29862), (2919, 27018), (3002, 26271), (3318, 23769), (3591, 21962), (3753, 21014), (4266, 18487), (4503, 17514), (4977, 15846), (5282, 14931), (5838, 13509), (7182, 10981), (7506, 10507), (7923, 9954), (8757, 9006)]