38243584

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 81105920

約数和(自身を除く): 42862336

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 79, 122, 124, 128, 158, 244, 248, 256, 316, 488, 496, 632, 976, 992, 1264, 1891, 1952, 1984, 2449, 2528, 3782, 3904, 3968, 4819, 4898, 5056, 7564, 7808, 7936, 9638, 9796, 10112, 15128, 15616, 19276, 19592, 20224, 30256, 38552, 39184, 60512, 77104, 78368, 121024, 149389, 154208, 156736, 242048, 298778, 308416, 313472, 484096, 597556, 616832, 626944, 1195112, 1233664, 2390224, 4780448, 9560896, 19121792, 38243584]

約数ペア:

[(1, 38243584), (2, 19121792), (4, 9560896), (8, 4780448), (16, 2390224), (31, 1233664), (32, 1195112), (61, 626944), (62, 616832), (64, 597556), (79, 484096), (122, 313472), (124, 308416), (128, 298778), (158, 242048), (244, 156736), (248, 154208), (256, 149389), (316, 121024), (488, 78368), (496, 77104), (632, 60512), (976, 39184), (992, 38552), (1264, 30256), (1891, 20224), (1952, 19592), (1984, 19276), (2449, 15616), (2528, 15128), (3782, 10112), (3904, 9796), (3968, 9638), (4819, 7936), (4898, 7808), (5056, 7564)]