28804798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 50077440

約数和(自身を除く): 21272642

約数列:

[1, 2, 11, 19, 22, 38, 137, 209, 274, 418, 503, 1006, 1507, 2603, 3014, 5206, 5533, 9557, 11066, 19114, 28633, 57266, 68911, 105127, 137822, 210254, 758021, 1309309, 1516042, 2618618, 14402399, 28804798]

約数ペア:

[(1, 28804798), (2, 14402399), (11, 2618618), (19, 1516042), (22, 1309309), (38, 758021), (137, 210254), (209, 137822), (274, 105127), (418, 68911), (503, 57266), (1006, 28633), (1507, 19114), (2603, 11066), (3014, 9557), (5206, 5533)]