428080212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{8623}}^1$

素因数の和:8837

約数の個数: 72

約数和(自身を含む): 1243097856

約数和(自身を除く): 815017644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1379, 1773, 2364, 2758, 3546, 4137, 5516, 7092, 8274, 8623, 12411, 16548, 17246, 24822, 25869, 34492, 49644, 51738, 60361, 77607, 103476, 120722, 155214, 181083, 241444, 310428, 362166, 543249, 724332, 1086498, 1698731, 2172996, 3397462, 5096193, 6794924, 10192386, 11891117, 15288579, 20384772, 23782234, 30577158, 35673351, 47564468, 61154316, 71346702, 107020053, 142693404, 214040106, 428080212]

約数ペア:

[(1, 428080212), (2, 214040106), (3, 142693404), (4, 107020053), (6, 71346702), (7, 61154316), (9, 47564468), (12, 35673351), (14, 30577158), (18, 23782234), (21, 20384772), (28, 15288579), (36, 11891117), (42, 10192386), (63, 6794924), (84, 5096193), (126, 3397462), (197, 2172996), (252, 1698731), (394, 1086498), (591, 724332), (788, 543249), (1182, 362166), (1379, 310428), (1773, 241444), (2364, 181083), (2758, 155214), (3546, 120722), (4137, 103476), (5516, 77607), (7092, 60361), (8274, 51738), (8623, 49644), (12411, 34492), (16548, 25869), (17246, 24822)]