644473088

素因数分解:

$2^8\times 7^2\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:732

約数の個数: 108

約数和(自身を含む): 1516934160

約数和(自身を除く): 872461072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 83, 98, 112, 128, 166, 196, 224, 256, 332, 392, 448, 581, 619, 664, 784, 896, 1162, 1238, 1328, 1568, 1792, 2324, 2476, 2656, 3136, 4067, 4333, 4648, 4952, 5312, 6272, 8134, 8666, 9296, 9904, 10624, 12544, 16268, 17332, 18592, 19808, 21248, 30331, 32536, 34664, 37184, 39616, 51377, 60662, 65072, 69328, 74368, 79232, 102754, 121324, 130144, 138656, 148736, 158464, 205508, 242648, 260288, 277312, 359639, 411016, 485296, 520576, 554624, 719278, 822032, 970592, 1041152, 1109248, 1438556, 1644064, 1941184, 2517473, 2877112, 3288128, 3882368, 5034946, 5754224, 6576256, 7764736, 10069892, 11508448, 13152512, 20139784, 23016896, 40279568, 46033792, 80559136, 92067584, 161118272, 322236544, 644473088]

約数ペア:

[(1, 644473088), (2, 322236544), (4, 161118272), (7, 92067584), (8, 80559136), (14, 46033792), (16, 40279568), (28, 23016896), (32, 20139784), (49, 13152512), (56, 11508448), (64, 10069892), (83, 7764736), (98, 6576256), (112, 5754224), (128, 5034946), (166, 3882368), (196, 3288128), (224, 2877112), (256, 2517473), (332, 1941184), (392, 1644064), (448, 1438556), (581, 1109248), (619, 1041152), (664, 970592), (784, 822032), (896, 719278), (1162, 554624), (1238, 520576), (1328, 485296), (1568, 411016), (1792, 359639), (2324, 277312), (2476, 260288), (2656, 242648), (3136, 205508), (4067, 158464), (4333, 148736), (4648, 138656), (4952, 130144), (5312, 121324), (6272, 102754), (8134, 79232), (8666, 74368), (9296, 69328), (9904, 65072), (10624, 60662), (12544, 51377), (16268, 39616), (17332, 37184), (18592, 34664), (19808, 32536), (21248, 30331)]