15491282008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1\times {\mathrm{2113}}^1$

素因数の和:2624

約数の個数: 64

約数和(自身を含む): 30898224000

約数和(自身を除く): 15406941992

約数列:

[1, 2, 4, 8, 19, 38, 76, 139, 152, 278, 347, 556, 694, 1112, 1388, 2113, 2641, 2776, 4226, 5282, 6593, 8452, 10564, 13186, 16904, 21128, 26372, 40147, 48233, 52744, 80294, 96466, 160588, 192932, 293707, 321176, 385864, 587414, 733211, 916427, 1174828, 1466422, 1832854, 2349656, 2932844, 3665708, 5580433, 5865688, 7331416, 11160866, 13931009, 22321732, 27862018, 44643464, 55724036, 101916329, 111448072, 203832658, 407665316, 815330632, 1936410251, 3872820502, 7745641004, 15491282008]

約数ペア:

[(1, 15491282008), (2, 7745641004), (4, 3872820502), (8, 1936410251), (19, 815330632), (38, 407665316), (76, 203832658), (139, 111448072), (152, 101916329), (278, 55724036), (347, 44643464), (556, 27862018), (694, 22321732), (1112, 13931009), (1388, 11160866), (2113, 7331416), (2641, 5865688), (2776, 5580433), (4226, 3665708), (5282, 2932844), (6593, 2349656), (8452, 1832854), (10564, 1466422), (13186, 1174828), (16904, 916427), (21128, 733211), (26372, 587414), (40147, 385864), (48233, 321176), (52744, 293707), (80294, 192932), (96466, 160588)]