905191028

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{7349}}^1$

素因数の和:7496

約数の個数: 48

約数和(自身を含む): 1867017600

約数和(自身を除く): 961826572

約数列:

[1, 2, 4, 7, 14, 28, 53, 83, 106, 166, 212, 332, 371, 581, 742, 1162, 1484, 2324, 4399, 7349, 8798, 14698, 17596, 29396, 30793, 51443, 61586, 102886, 123172, 205772, 389497, 609967, 778994, 1219934, 1557988, 2439868, 2726479, 4269769, 5452958, 8539538, 10905916, 17079076, 32328251, 64656502, 129313004, 226297757, 452595514, 905191028]

約数ペア:

[(1, 905191028), (2, 452595514), (4, 226297757), (7, 129313004), (14, 64656502), (28, 32328251), (53, 17079076), (83, 10905916), (106, 8539538), (166, 5452958), (212, 4269769), (332, 2726479), (371, 2439868), (581, 1557988), (742, 1219934), (1162, 778994), (1484, 609967), (2324, 389497), (4399, 205772), (7349, 123172), (8798, 102886), (14698, 61586), (17596, 51443), (29396, 30793)]