30986748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:1003

約数の個数: 72

約数和(自身を含む): 85602608

約数和(自身を除く): 54615860

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 657, 876, 907, 949, 1314, 1814, 1898, 2628, 2721, 2847, 3628, 3796, 5442, 5694, 8163, 8541, 10884, 11388, 11791, 16326, 17082, 23582, 32652, 34164, 35373, 47164, 66211, 70746, 106119, 132422, 141492, 198633, 212238, 264844, 397266, 424476, 595899, 794532, 860743, 1191798, 1721486, 2383596, 2582229, 3442972, 5164458, 7746687, 10328916, 15493374, 30986748]

約数ペア:

[(1, 30986748), (2, 15493374), (3, 10328916), (4, 7746687), (6, 5164458), (9, 3442972), (12, 2582229), (13, 2383596), (18, 1721486), (26, 1191798), (36, 860743), (39, 794532), (52, 595899), (73, 424476), (78, 397266), (117, 264844), (146, 212238), (156, 198633), (219, 141492), (234, 132422), (292, 106119), (438, 70746), (468, 66211), (657, 47164), (876, 35373), (907, 34164), (949, 32652), (1314, 23582), (1814, 17082), (1898, 16326), (2628, 11791), (2721, 11388), (2847, 10884), (3628, 8541), (3796, 8163), (5442, 5694)]