81338936

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 179340480

約数和(自身を除く): 98001544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 101, 146, 197, 202, 292, 394, 404, 511, 584, 707, 788, 808, 1022, 1379, 1414, 1576, 2044, 2758, 2828, 4088, 5516, 5656, 7373, 11032, 14381, 14746, 19897, 28762, 29492, 39794, 51611, 57524, 58984, 79588, 100667, 103222, 115048, 139279, 159176, 201334, 206444, 278558, 402668, 412888, 557116, 805336, 1114232, 1452481, 2904962, 5809924, 10167367, 11619848, 20334734, 40669468, 81338936]

約数ペア:

[(1, 81338936), (2, 40669468), (4, 20334734), (7, 11619848), (8, 10167367), (14, 5809924), (28, 2904962), (56, 1452481), (73, 1114232), (101, 805336), (146, 557116), (197, 412888), (202, 402668), (292, 278558), (394, 206444), (404, 201334), (511, 159176), (584, 139279), (707, 115048), (788, 103222), (808, 100667), (1022, 79588), (1379, 58984), (1414, 57524), (1576, 51611), (2044, 39794), (2758, 29492), (2828, 28762), (4088, 19897), (5516, 14746), (5656, 14381), (7373, 11032)]