661854648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1693}}^1$

素因数の和:1901

約数の個数: 128

約数和(自身を含む): 2049062400

約数和(自身を除く): 1387207752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 179, 182, 273, 312, 358, 364, 537, 546, 716, 728, 1074, 1092, 1253, 1432, 1693, 2148, 2184, 2327, 2506, 3386, 3759, 4296, 4654, 5012, 5079, 6772, 6981, 7518, 9308, 10024, 10158, 11851, 13544, 13962, 15036, 16289, 18616, 20316, 22009, 23702, 27924, 30072, 32578, 35553, 40632, 44018, 47404, 48867, 55848, 65156, 66027, 71106, 88036, 94808, 97734, 130312, 132054, 142212, 154063, 176072, 195468, 264108, 284424, 303047, 308126, 390936, 462189, 528216, 606094, 616252, 909141, 924378, 1212188, 1232504, 1818282, 1848756, 2121329, 2424376, 3636564, 3697512, 3939611, 4242658, 6363987, 7273128, 7879222, 8485316, 11818833, 12727974, 15758444, 16970632, 23637666, 25455948, 27577277, 31516888, 47275332, 50911896, 55154554, 82731831, 94550664, 110309108, 165463662, 220618216, 330927324, 661854648]

約数ペア:

[(1, 661854648), (2, 330927324), (3, 220618216), (4, 165463662), (6, 110309108), (7, 94550664), (8, 82731831), (12, 55154554), (13, 50911896), (14, 47275332), (21, 31516888), (24, 27577277), (26, 25455948), (28, 23637666), (39, 16970632), (42, 15758444), (52, 12727974), (56, 11818833), (78, 8485316), (84, 7879222), (91, 7273128), (104, 6363987), (156, 4242658), (168, 3939611), (179, 3697512), (182, 3636564), (273, 2424376), (312, 2121329), (358, 1848756), (364, 1818282), (537, 1232504), (546, 1212188), (716, 924378), (728, 909141), (1074, 616252), (1092, 606094), (1253, 528216), (1432, 462189), (1693, 390936), (2148, 308126), (2184, 303047), (2327, 284424), (2506, 264108), (3386, 195468), (3759, 176072), (4296, 154063), (4654, 142212), (5012, 132054), (5079, 130312), (6772, 97734), (6981, 94808), (7518, 88036), (9308, 71106), (10024, 66027), (10158, 65156), (11851, 55848), (13544, 48867), (13962, 47404), (15036, 44018), (16289, 40632), (18616, 35553), (20316, 32578), (22009, 30072), (23702, 27924)]