28737695

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 13840225

約数列:

[1, 5, 7, 23, 29, 35, 115, 145, 161, 203, 667, 805, 1015, 1231, 3335, 4669, 6155, 8617, 23345, 28313, 35699, 43085, 141565, 178495, 198191, 249893, 821077, 990955, 1249465, 4105385, 5747539, 28737695]

約数ペア:

[(1, 28737695), (5, 5747539), (7, 4105385), (23, 1249465), (29, 990955), (35, 821077), (115, 249893), (145, 198191), (161, 178495), (203, 141565), (667, 43085), (805, 35699), (1015, 28313), (1231, 23345), (3335, 8617), (4669, 6155)]