221665626

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:681

約数の個数: 128

約数和(自身を含む): 615014400

約数和(自身を除く): 393348774

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 79, 91, 117, 126, 158, 182, 189, 234, 237, 273, 351, 378, 474, 546, 553, 571, 702, 711, 819, 1027, 1106, 1142, 1422, 1638, 1659, 1713, 2054, 2133, 2457, 3081, 3318, 3426, 3997, 4266, 4914, 4977, 5139, 6162, 7189, 7423, 7994, 9243, 9954, 10278, 11991, 14378, 14846, 14931, 15417, 18486, 21567, 22269, 23982, 27729, 29862, 30834, 35973, 43134, 44538, 45109, 51961, 55458, 64701, 66807, 71946, 90218, 103922, 107919, 129402, 133614, 135327, 155883, 194103, 200421, 215838, 270654, 311766, 315763, 388206, 400842, 405981, 467649, 586417, 631526, 811962, 935298, 947289, 1172834, 1217943, 1402947, 1759251, 1894578, 2435886, 2805894, 2841867, 3518502, 4104919, 5277753, 5683734, 8209838, 8525601, 10555506, 12314757, 15833259, 17051202, 24629514, 31666518, 36944271, 73888542, 110832813, 221665626]

約数ペア:

[(1, 221665626), (2, 110832813), (3, 73888542), (6, 36944271), (7, 31666518), (9, 24629514), (13, 17051202), (14, 15833259), (18, 12314757), (21, 10555506), (26, 8525601), (27, 8209838), (39, 5683734), (42, 5277753), (54, 4104919), (63, 3518502), (78, 2841867), (79, 2805894), (91, 2435886), (117, 1894578), (126, 1759251), (158, 1402947), (182, 1217943), (189, 1172834), (234, 947289), (237, 935298), (273, 811962), (351, 631526), (378, 586417), (474, 467649), (546, 405981), (553, 400842), (571, 388206), (702, 315763), (711, 311766), (819, 270654), (1027, 215838), (1106, 200421), (1142, 194103), (1422, 155883), (1638, 135327), (1659, 133614), (1713, 129402), (2054, 107919), (2133, 103922), (2457, 90218), (3081, 71946), (3318, 66807), (3426, 64701), (3997, 55458), (4266, 51961), (4914, 45109), (4977, 44538), (5139, 43134), (6162, 35973), (7189, 30834), (7423, 29862), (7994, 27729), (9243, 23982), (9954, 22269), (10278, 21567), (11991, 18486), (14378, 15417), (14846, 14931)]