400938152

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{138829}}^1$

素因数の和:138873

約数の個数: 24

約数和(自身を含む): 793413450

約数和(自身を除く): 392475298

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 138829, 277658, 555316, 1110632, 2637751, 5275502, 10551004, 21102008, 50117269, 100234538, 200469076, 400938152]

約数ペア:

[(1, 400938152), (2, 200469076), (4, 100234538), (8, 50117269), (19, 21102008), (38, 10551004), (76, 5275502), (152, 2637751), (361, 1110632), (722, 555316), (1444, 277658), (2888, 138829)]