204828728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 426535200

約数和(自身を除く): 221706472

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 83, 104, 122, 166, 244, 332, 389, 488, 664, 778, 793, 1079, 1556, 1586, 2158, 3112, 3172, 4316, 5057, 5063, 6344, 8632, 10114, 10126, 20228, 20252, 23729, 32287, 40456, 40504, 47458, 64574, 65819, 94916, 129148, 131638, 189832, 258296, 263276, 308477, 419731, 526552, 616954, 839462, 1233908, 1678924, 1969507, 2467816, 3357848, 3939014, 7878028, 15756056, 25603591, 51207182, 102414364, 204828728]

約数ペア:

[(1, 204828728), (2, 102414364), (4, 51207182), (8, 25603591), (13, 15756056), (26, 7878028), (52, 3939014), (61, 3357848), (83, 2467816), (104, 1969507), (122, 1678924), (166, 1233908), (244, 839462), (332, 616954), (389, 526552), (488, 419731), (664, 308477), (778, 263276), (793, 258296), (1079, 189832), (1556, 131638), (1586, 129148), (2158, 94916), (3112, 65819), (3172, 64574), (4316, 47458), (5057, 40504), (5063, 40456), (6344, 32287), (8632, 23729), (10114, 20252), (10126, 20228)]