18997872215

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{3541}}^1$

素因数の和:3768

約数の個数: 64

約数和(自身を含む): 28203614208

約数和(自身を除く): 9205741993

約数列:

[1, 5, 7, 17, 35, 71, 85, 119, 127, 355, 497, 595, 635, 889, 1207, 2159, 2485, 3541, 4445, 6035, 8449, 9017, 10795, 15113, 17705, 24787, 42245, 45085, 60197, 63119, 75565, 123935, 153289, 251411, 300985, 315595, 421379, 449707, 766445, 1073023, 1257055, 1759877, 2106895, 2248535, 3147949, 4273987, 5365115, 7645019, 8799385, 15739745, 21369935, 29917909, 31929197, 38225095, 53515133, 149589545, 159645985, 223504379, 267575665, 542796349, 1117521895, 2713981745, 3799574443, 18997872215]

約数ペア:

[(1, 18997872215), (5, 3799574443), (7, 2713981745), (17, 1117521895), (35, 542796349), (71, 267575665), (85, 223504379), (119, 159645985), (127, 149589545), (355, 53515133), (497, 38225095), (595, 31929197), (635, 29917909), (889, 21369935), (1207, 15739745), (2159, 8799385), (2485, 7645019), (3541, 5365115), (4445, 4273987), (6035, 3147949), (8449, 2248535), (9017, 2106895), (10795, 1759877), (15113, 1257055), (17705, 1073023), (24787, 766445), (42245, 449707), (45085, 421379), (60197, 315595), (63119, 300985), (75565, 251411), (123935, 153289)]