128523942

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^3\times {\mathrm{347}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 302342400

約数和(自身を除く): 173818458

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 347, 361, 513, 694, 722, 1026, 1041, 1083, 2082, 2166, 3123, 3249, 6246, 6498, 6593, 6859, 9369, 9747, 13186, 13718, 18738, 19494, 19779, 20577, 39558, 41154, 59337, 61731, 118674, 123462, 125267, 178011, 185193, 250534, 356022, 370386, 375801, 751602, 1127403, 2254806, 2380073, 3382209, 4760146, 6764418, 7140219, 14280438, 21420657, 42841314, 64261971, 128523942]

約数ペア:

[(1, 128523942), (2, 64261971), (3, 42841314), (6, 21420657), (9, 14280438), (18, 7140219), (19, 6764418), (27, 4760146), (38, 3382209), (54, 2380073), (57, 2254806), (114, 1127403), (171, 751602), (342, 375801), (347, 370386), (361, 356022), (513, 250534), (694, 185193), (722, 178011), (1026, 125267), (1041, 123462), (1083, 118674), (2082, 61731), (2166, 59337), (3123, 41154), (3249, 39558), (6246, 20577), (6498, 19779), (6593, 19494), (6859, 18738), (9369, 13718), (9747, 13186)]