219660948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20407}}^1$

素因数の和:20453

約数の個数: 72

約数和(自身を含む): 623995008

約数和(自身を除く): 404334060

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2691, 3588, 5382, 10764, 20407, 40814, 61221, 81628, 122442, 183663, 244884, 265291, 367326, 469361, 530582, 734652, 795873, 938722, 1061164, 1408083, 1591746, 1877444, 2387619, 2816166, 3183492, 4224249, 4775238, 5632332, 6101693, 8448498, 9550476, 12203386, 16896996, 18305079, 24406772, 36610158, 54915237, 73220316, 109830474, 219660948]

約数ペア:

[(1, 219660948), (2, 109830474), (3, 73220316), (4, 54915237), (6, 36610158), (9, 24406772), (12, 18305079), (13, 16896996), (18, 12203386), (23, 9550476), (26, 8448498), (36, 6101693), (39, 5632332), (46, 4775238), (52, 4224249), (69, 3183492), (78, 2816166), (92, 2387619), (117, 1877444), (138, 1591746), (156, 1408083), (207, 1061164), (234, 938722), (276, 795873), (299, 734652), (414, 530582), (468, 469361), (598, 367326), (828, 265291), (897, 244884), (1196, 183663), (1794, 122442), (2691, 81628), (3588, 61221), (5382, 40814), (10764, 20407)]