258287536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 570463488

約数和(自身を除く): 312175952

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 124, 164, 208, 248, 328, 403, 496, 533, 656, 806, 977, 1066, 1271, 1612, 1954, 2132, 2542, 3224, 3908, 4264, 5084, 6448, 7816, 8528, 10168, 12701, 15632, 16523, 20336, 25402, 30287, 33046, 40057, 50804, 60574, 66092, 80114, 101608, 121148, 132184, 160228, 203216, 242296, 264368, 320456, 393731, 484592, 520741, 640912, 787462, 1041482, 1241767, 1574924, 2082964, 2483534, 3149848, 4165928, 4967068, 6299696, 8331856, 9934136, 16142971, 19868272, 32285942, 64571884, 129143768, 258287536]

約数ペア:

[(1, 258287536), (2, 129143768), (4, 64571884), (8, 32285942), (13, 19868272), (16, 16142971), (26, 9934136), (31, 8331856), (41, 6299696), (52, 4967068), (62, 4165928), (82, 3149848), (104, 2483534), (124, 2082964), (164, 1574924), (208, 1241767), (248, 1041482), (328, 787462), (403, 640912), (496, 520741), (533, 484592), (656, 393731), (806, 320456), (977, 264368), (1066, 242296), (1271, 203216), (1612, 160228), (1954, 132184), (2132, 121148), (2542, 101608), (3224, 80114), (3908, 66092), (4264, 60574), (5084, 50804), (6448, 40057), (7816, 33046), (8528, 30287), (10168, 25402), (12701, 20336), (15632, 16523)]