311614828

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 670556768

約数和(自身を除く): 358941940

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 97, 119, 194, 238, 289, 388, 397, 476, 578, 679, 794, 1156, 1358, 1588, 1649, 2023, 2716, 2779, 3298, 4046, 5558, 6596, 6749, 8092, 11116, 11543, 13498, 23086, 26996, 28033, 38509, 46172, 47243, 56066, 77018, 94486, 112132, 114733, 154036, 188972, 196231, 229466, 269563, 392462, 458932, 539126, 654653, 784924, 803131, 1078252, 1309306, 1606262, 2618612, 3212524, 4582571, 9165142, 11129101, 18330284, 22258202, 44516404, 77903707, 155807414, 311614828]

約数ペア:

[(1, 311614828), (2, 155807414), (4, 77903707), (7, 44516404), (14, 22258202), (17, 18330284), (28, 11129101), (34, 9165142), (68, 4582571), (97, 3212524), (119, 2618612), (194, 1606262), (238, 1309306), (289, 1078252), (388, 803131), (397, 784924), (476, 654653), (578, 539126), (679, 458932), (794, 392462), (1156, 269563), (1358, 229466), (1588, 196231), (1649, 188972), (2023, 154036), (2716, 114733), (2779, 112132), (3298, 94486), (4046, 77018), (5558, 56066), (6596, 47243), (6749, 46172), (8092, 38509), (11116, 28033), (11543, 26996), (13498, 23086)]