65990428

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 137592000

約数和(自身を除く): 71601572

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 181, 203, 362, 406, 449, 724, 812, 898, 1267, 1796, 2534, 3143, 5068, 5249, 6286, 10498, 12572, 13021, 20996, 26042, 36743, 52084, 73486, 81269, 91147, 146972, 162538, 182294, 325076, 364588, 568883, 1137766, 2275532, 2356801, 4713602, 9427204, 16497607, 32995214, 65990428]

約数ペア:

[(1, 65990428), (2, 32995214), (4, 16497607), (7, 9427204), (14, 4713602), (28, 2356801), (29, 2275532), (58, 1137766), (116, 568883), (181, 364588), (203, 325076), (362, 182294), (406, 162538), (449, 146972), (724, 91147), (812, 81269), (898, 73486), (1267, 52084), (1796, 36743), (2534, 26042), (3143, 20996), (5068, 13021), (5249, 12572), (6286, 10498)]