28973882

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 27428038

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 67, 79, 119, 134, 158, 161, 238, 322, 391, 469, 553, 782, 938, 1106, 1139, 1343, 1541, 1817, 2278, 2686, 2737, 3082, 3634, 5293, 5474, 7973, 9401, 10586, 10787, 12719, 15946, 18802, 21574, 25438, 26197, 30889, 37051, 52394, 61778, 74102, 89981, 121739, 179962, 183379, 216223, 243478, 366758, 432446, 629867, 852173, 1259734, 1704346, 2069563, 4139126, 14486941, 28973882]

約数ペア:

[(1, 28973882), (2, 14486941), (7, 4139126), (14, 2069563), (17, 1704346), (23, 1259734), (34, 852173), (46, 629867), (67, 432446), (79, 366758), (119, 243478), (134, 216223), (158, 183379), (161, 179962), (238, 121739), (322, 89981), (391, 74102), (469, 61778), (553, 52394), (782, 37051), (938, 30889), (1106, 26197), (1139, 25438), (1343, 21574), (1541, 18802), (1817, 15946), (2278, 12719), (2686, 10787), (2737, 10586), (3082, 9401), (3634, 7973), (5293, 5474)]