308887408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{16657}}^1$

素因数の和:16745

約数の個数: 40

約数和(自身を含む): 640333520

約数和(自身を除く): 331446112

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 2318, 4636, 9272, 16657, 18544, 33314, 66628, 133256, 266512, 316483, 632966, 1016077, 1265932, 2032154, 2531864, 4064308, 5063728, 8128616, 16257232, 19305463, 38610926, 77221852, 154443704, 308887408]

約数ペア:

[(1, 308887408), (2, 154443704), (4, 77221852), (8, 38610926), (16, 19305463), (19, 16257232), (38, 8128616), (61, 5063728), (76, 4064308), (122, 2531864), (152, 2032154), (244, 1265932), (304, 1016077), (488, 632966), (976, 316483), (1159, 266512), (2318, 133256), (4636, 66628), (9272, 33314), (16657, 18544)]