291269228

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{197}}^1\times {\mathrm{1279}}^1$

素因数の和:1514

約数の個数: 36

約数和(自身を含む): 544642560

約数和(自身を除く): 253373332

約数列:

[1, 2, 4, 17, 34, 68, 197, 289, 394, 578, 788, 1156, 1279, 2558, 3349, 5116, 6698, 13396, 21743, 43486, 56933, 86972, 113866, 227732, 251963, 369631, 503926, 739262, 1007852, 1478524, 4283371, 8566742, 17133484, 72817307, 145634614, 291269228]

約数ペア:

[(1, 291269228), (2, 145634614), (4, 72817307), (17, 17133484), (34, 8566742), (68, 4283371), (197, 1478524), (289, 1007852), (394, 739262), (578, 503926), (788, 369631), (1156, 251963), (1279, 227732), (2558, 113866), (3349, 86972), (5116, 56933), (6698, 43486), (13396, 21743)]