197931972

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{4261}}^1$

素因数の和:4361

約数の個数: 72

約数和(自身を含む): 544172160

約数和(自身を除く): 346240188

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 474, 553, 588, 948, 1106, 1659, 2212, 3318, 3871, 4261, 6636, 7742, 8522, 11613, 12783, 15484, 17044, 23226, 25566, 29827, 46452, 51132, 59654, 89481, 119308, 178962, 208789, 336619, 357924, 417578, 626367, 673238, 835156, 1009857, 1252734, 1346476, 2019714, 2356333, 2505468, 4039428, 4712666, 7068999, 9425332, 14137998, 16494331, 28275996, 32988662, 49482993, 65977324, 98965986, 197931972]

約数ペア:

[(1, 197931972), (2, 98965986), (3, 65977324), (4, 49482993), (6, 32988662), (7, 28275996), (12, 16494331), (14, 14137998), (21, 9425332), (28, 7068999), (42, 4712666), (49, 4039428), (79, 2505468), (84, 2356333), (98, 2019714), (147, 1346476), (158, 1252734), (196, 1009857), (237, 835156), (294, 673238), (316, 626367), (474, 417578), (553, 357924), (588, 336619), (948, 208789), (1106, 178962), (1659, 119308), (2212, 89481), (3318, 59654), (3871, 51132), (4261, 46452), (6636, 29827), (7742, 25566), (8522, 23226), (11613, 17044), (12783, 15484)]