1689948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 4831008

約数和(自身を除く): 3141060

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 157, 207, 234, 276, 299, 314, 414, 468, 471, 598, 628, 828, 897, 942, 1196, 1413, 1794, 1884, 2041, 2691, 2826, 3588, 3611, 4082, 5382, 5652, 6123, 7222, 8164, 10764, 10833, 12246, 14444, 18369, 21666, 24492, 32499, 36738, 43332, 46943, 64998, 73476, 93886, 129996, 140829, 187772, 281658, 422487, 563316, 844974, 1689948]

約数ペア:

[(1, 1689948), (2, 844974), (3, 563316), (4, 422487), (6, 281658), (9, 187772), (12, 140829), (13, 129996), (18, 93886), (23, 73476), (26, 64998), (36, 46943), (39, 43332), (46, 36738), (52, 32499), (69, 24492), (78, 21666), (92, 18369), (117, 14444), (138, 12246), (156, 10833), (157, 10764), (207, 8164), (234, 7222), (276, 6123), (299, 5652), (314, 5382), (414, 4082), (468, 3611), (471, 3588), (598, 2826), (628, 2691), (828, 2041), (897, 1884), (942, 1794), (1196, 1413)]