81396152

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 169495200

約数和(自身を除く): 88099048

約数列:

[1, 2, 4, 8, 19, 37, 38, 41, 74, 76, 82, 148, 152, 164, 296, 328, 353, 703, 706, 779, 1406, 1412, 1517, 1558, 2812, 2824, 3034, 3116, 5624, 6068, 6232, 6707, 12136, 13061, 13414, 14473, 26122, 26828, 28823, 28946, 52244, 53656, 57646, 57892, 104488, 115292, 115784, 230584, 248159, 274987, 496318, 535501, 549974, 992636, 1071002, 1099948, 1985272, 2142004, 2199896, 4284008, 10174519, 20349038, 40698076, 81396152]

約数ペア:

[(1, 81396152), (2, 40698076), (4, 20349038), (8, 10174519), (19, 4284008), (37, 2199896), (38, 2142004), (41, 1985272), (74, 1099948), (76, 1071002), (82, 992636), (148, 549974), (152, 535501), (164, 496318), (296, 274987), (328, 248159), (353, 230584), (703, 115784), (706, 115292), (779, 104488), (1406, 57892), (1412, 57646), (1517, 53656), (1558, 52244), (2812, 28946), (2824, 28823), (3034, 26828), (3116, 26122), (5624, 14473), (6068, 13414), (6232, 13061), (6707, 12136)]