261386256

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{65609}}^1$

素因数の和:65703

約数の個数: 40

約数和(自身を含む): 683393760

約数和(自身を除く): 422007504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 65609, 131218, 196827, 262436, 393654, 524872, 787308, 1049744, 1574616, 3149232, 5445547, 10891094, 16336641, 21782188, 32673282, 43564376, 65346564, 87128752, 130693128, 261386256]

約数ペア:

[(1, 261386256), (2, 130693128), (3, 87128752), (4, 65346564), (6, 43564376), (8, 32673282), (12, 21782188), (16, 16336641), (24, 10891094), (48, 5445547), (83, 3149232), (166, 1574616), (249, 1049744), (332, 787308), (498, 524872), (664, 393654), (996, 262436), (1328, 196827), (1992, 131218), (3984, 65609)]