25104512

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 53978400

約数和(自身を除く): 28873888

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 83, 128, 136, 139, 166, 272, 278, 332, 544, 556, 664, 1088, 1112, 1328, 1411, 2176, 2224, 2363, 2656, 2822, 4448, 4726, 5312, 5644, 8896, 9452, 10624, 11288, 11537, 17792, 18904, 22576, 23074, 37808, 45152, 46148, 75616, 90304, 92296, 151232, 180608, 184592, 196129, 302464, 369184, 392258, 738368, 784516, 1476736, 1569032, 3138064, 6276128, 12552256, 25104512]

約数ペア:

[(1, 25104512), (2, 12552256), (4, 6276128), (8, 3138064), (16, 1569032), (17, 1476736), (32, 784516), (34, 738368), (64, 392258), (68, 369184), (83, 302464), (128, 196129), (136, 184592), (139, 180608), (166, 151232), (272, 92296), (278, 90304), (332, 75616), (544, 46148), (556, 45152), (664, 37808), (1088, 23074), (1112, 22576), (1328, 18904), (1411, 17792), (2176, 11537), (2224, 11288), (2363, 10624), (2656, 9452), (2822, 8896), (4448, 5644), (4726, 5312)]