318888974

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 509483520

約数和(自身を除く): 190594546

約数列:

[1, 2, 23, 46, 71, 142, 251, 389, 502, 778, 1633, 3266, 5773, 8947, 11546, 17821, 17894, 27619, 35642, 55238, 97639, 195278, 409883, 635237, 819766, 1270474, 2245697, 4491394, 6932369, 13864738, 159444487, 318888974]

約数ペア:

[(1, 318888974), (2, 159444487), (23, 13864738), (46, 6932369), (71, 4491394), (142, 2245697), (251, 1270474), (389, 819766), (502, 635237), (778, 409883), (1633, 195278), (3266, 97639), (5773, 55238), (8947, 35642), (11546, 27619), (17821, 17894)]