161775978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:672

約数の個数: 128

約数和(自身を含む): 436907520

約数和(自身を除く): 275131542

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 29, 34, 39, 42, 51, 58, 78, 87, 91, 102, 119, 174, 182, 203, 221, 238, 273, 357, 377, 406, 442, 493, 546, 601, 609, 663, 714, 754, 986, 1131, 1202, 1218, 1326, 1479, 1547, 1803, 2262, 2639, 2958, 3094, 3451, 3606, 4207, 4641, 5278, 6409, 6902, 7813, 7917, 8414, 9282, 10217, 10353, 12621, 12818, 15626, 15834, 17429, 19227, 20434, 20706, 23439, 25242, 30651, 34858, 38454, 44863, 46878, 52287, 54691, 61302, 71519, 89726, 104574, 109382, 122003, 132821, 134589, 143038, 164073, 214557, 226577, 244006, 265642, 269178, 296293, 328146, 366009, 398463, 429114, 453154, 592586, 679731, 732018, 796926, 888879, 929747, 1359462, 1586039, 1777758, 1859494, 2074051, 2789241, 3172078, 3851809, 4148102, 4758117, 5578482, 6222153, 7703618, 9516234, 11555427, 12444306, 23110854, 26962663, 53925326, 80887989, 161775978]

約数ペア:

[(1, 161775978), (2, 80887989), (3, 53925326), (6, 26962663), (7, 23110854), (13, 12444306), (14, 11555427), (17, 9516234), (21, 7703618), (26, 6222153), (29, 5578482), (34, 4758117), (39, 4148102), (42, 3851809), (51, 3172078), (58, 2789241), (78, 2074051), (87, 1859494), (91, 1777758), (102, 1586039), (119, 1359462), (174, 929747), (182, 888879), (203, 796926), (221, 732018), (238, 679731), (273, 592586), (357, 453154), (377, 429114), (406, 398463), (442, 366009), (493, 328146), (546, 296293), (601, 269178), (609, 265642), (663, 244006), (714, 226577), (754, 214557), (986, 164073), (1131, 143038), (1202, 134589), (1218, 132821), (1326, 122003), (1479, 109382), (1547, 104574), (1803, 89726), (2262, 71519), (2639, 61302), (2958, 54691), (3094, 52287), (3451, 46878), (3606, 44863), (4207, 38454), (4641, 34858), (5278, 30651), (6409, 25242), (6902, 23439), (7813, 20706), (7917, 20434), (8414, 19227), (9282, 17429), (10217, 15834), (10353, 15626), (12621, 12818)]