138790316

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 283246656

約数和(自身を除く): 144456340

約数列:

[1, 2, 4, 7, 14, 28, 97, 137, 194, 274, 373, 388, 548, 679, 746, 959, 1358, 1492, 1918, 2611, 2716, 3836, 5222, 10444, 13289, 26578, 36181, 51101, 53156, 72362, 93023, 102202, 144724, 186046, 204404, 253267, 357707, 372092, 506534, 715414, 1013068, 1430828, 4956797, 9913594, 19827188, 34697579, 69395158, 138790316]

約数ペア:

[(1, 138790316), (2, 69395158), (4, 34697579), (7, 19827188), (14, 9913594), (28, 4956797), (97, 1430828), (137, 1013068), (194, 715414), (274, 506534), (373, 372092), (388, 357707), (548, 253267), (679, 204404), (746, 186046), (959, 144724), (1358, 102202), (1492, 93023), (1918, 72362), (2611, 53156), (2716, 51101), (3836, 36181), (5222, 26578), (10444, 13289)]