161406976

素因数分解:

$2^{13}\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 112

約数和(自身を含む): 365668560

約数和(自身を除く): 204261584

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 61, 64, 68, 76, 122, 128, 136, 152, 244, 256, 272, 304, 323, 488, 512, 544, 608, 646, 976, 1024, 1037, 1088, 1159, 1216, 1292, 1952, 2048, 2074, 2176, 2318, 2432, 2584, 3904, 4096, 4148, 4352, 4636, 4864, 5168, 7808, 8192, 8296, 8704, 9272, 9728, 10336, 15616, 16592, 17408, 18544, 19456, 19703, 20672, 31232, 33184, 34816, 37088, 38912, 39406, 41344, 62464, 66368, 69632, 74176, 77824, 78812, 82688, 124928, 132736, 139264, 148352, 155648, 157624, 165376, 249856, 265472, 296704, 315248, 330752, 499712, 530944, 593408, 630496, 661504, 1061888, 1186816, 1260992, 1323008, 2123776, 2373632, 2521984, 2646016, 4247552, 4747264, 5043968, 8495104, 9494528, 10087936, 20175872, 40351744, 80703488, 161406976]

約数ペア:

[(1, 161406976), (2, 80703488), (4, 40351744), (8, 20175872), (16, 10087936), (17, 9494528), (19, 8495104), (32, 5043968), (34, 4747264), (38, 4247552), (61, 2646016), (64, 2521984), (68, 2373632), (76, 2123776), (122, 1323008), (128, 1260992), (136, 1186816), (152, 1061888), (244, 661504), (256, 630496), (272, 593408), (304, 530944), (323, 499712), (488, 330752), (512, 315248), (544, 296704), (608, 265472), (646, 249856), (976, 165376), (1024, 157624), (1037, 155648), (1088, 148352), (1159, 139264), (1216, 132736), (1292, 124928), (1952, 82688), (2048, 78812), (2074, 77824), (2176, 74176), (2318, 69632), (2432, 66368), (2584, 62464), (3904, 41344), (4096, 39406), (4148, 38912), (4352, 37088), (4636, 34816), (4864, 33184), (5168, 31232), (7808, 20672), (8192, 19703), (8296, 19456), (8704, 18544), (9272, 17408), (9728, 16592), (10336, 15616)]