398647552

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 849895200

約数和(自身を除く): 451247648

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 139, 256, 272, 278, 544, 556, 659, 1088, 1112, 1318, 2176, 2224, 2363, 2636, 4352, 4448, 4726, 5272, 8896, 9452, 10544, 11203, 17792, 18904, 21088, 22406, 35584, 37808, 42176, 44812, 75616, 84352, 89624, 91601, 151232, 168704, 179248, 183202, 302464, 358496, 366404, 604928, 716992, 732808, 1433984, 1465616, 1557217, 2867968, 2931232, 3114434, 5862464, 6228868, 11724928, 12457736, 23449856, 24915472, 49830944, 99661888, 199323776, 398647552]

約数ペア:

[(1, 398647552), (2, 199323776), (4, 99661888), (8, 49830944), (16, 24915472), (17, 23449856), (32, 12457736), (34, 11724928), (64, 6228868), (68, 5862464), (128, 3114434), (136, 2931232), (139, 2867968), (256, 1557217), (272, 1465616), (278, 1433984), (544, 732808), (556, 716992), (659, 604928), (1088, 366404), (1112, 358496), (1318, 302464), (2176, 183202), (2224, 179248), (2363, 168704), (2636, 151232), (4352, 91601), (4448, 89624), (4726, 84352), (5272, 75616), (8896, 44812), (9452, 42176), (10544, 37808), (11203, 35584), (17792, 22406), (18904, 21088)]