697161728

素因数分解:

$2^{11}\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 1467648000

約数和(自身を除く): 770486272

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 139, 158, 248, 256, 278, 316, 496, 512, 556, 632, 992, 1024, 1112, 1264, 1984, 2048, 2224, 2449, 2528, 3968, 4309, 4448, 4898, 5056, 7936, 8618, 8896, 9796, 10112, 10981, 15872, 17236, 17792, 19592, 20224, 21962, 31744, 34472, 35584, 39184, 40448, 43924, 63488, 68944, 71168, 78368, 80896, 87848, 137888, 142336, 156736, 161792, 175696, 275776, 284672, 313472, 340411, 351392, 551552, 626944, 680822, 702784, 1103104, 1253888, 1361644, 1405568, 2206208, 2507776, 2723288, 2811136, 4412416, 5015552, 5446576, 5622272, 8824832, 10893152, 11244544, 21786304, 22489088, 43572608, 87145216, 174290432, 348580864, 697161728]

約数ペア:

[(1, 697161728), (2, 348580864), (4, 174290432), (8, 87145216), (16, 43572608), (31, 22489088), (32, 21786304), (62, 11244544), (64, 10893152), (79, 8824832), (124, 5622272), (128, 5446576), (139, 5015552), (158, 4412416), (248, 2811136), (256, 2723288), (278, 2507776), (316, 2206208), (496, 1405568), (512, 1361644), (556, 1253888), (632, 1103104), (992, 702784), (1024, 680822), (1112, 626944), (1264, 551552), (1984, 351392), (2048, 340411), (2224, 313472), (2449, 284672), (2528, 275776), (3968, 175696), (4309, 161792), (4448, 156736), (4898, 142336), (5056, 137888), (7936, 87848), (8618, 80896), (8896, 78368), (9796, 71168), (10112, 68944), (10981, 63488), (15872, 43924), (17236, 40448), (17792, 39184), (19592, 35584), (20224, 34472), (21962, 31744)]