329473456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1470

約数の個数: 80

約数和(自身を含む): 729342208

約数和(自身を除く): 399868752

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 37, 52, 62, 74, 104, 124, 148, 208, 248, 296, 403, 481, 496, 592, 806, 962, 1147, 1381, 1612, 1924, 2294, 2762, 3224, 3848, 4588, 5524, 6448, 7696, 9176, 11048, 14911, 17953, 18352, 22096, 29822, 35906, 42811, 51097, 59644, 71812, 85622, 102194, 119288, 143624, 171244, 204388, 238576, 287248, 342488, 408776, 556543, 664261, 684976, 817552, 1113086, 1328522, 1584007, 2226172, 2657044, 3168014, 4452344, 5314088, 6336028, 8904688, 10628176, 12672056, 20592091, 25344112, 41184182, 82368364, 164736728, 329473456]

約数ペア:

[(1, 329473456), (2, 164736728), (4, 82368364), (8, 41184182), (13, 25344112), (16, 20592091), (26, 12672056), (31, 10628176), (37, 8904688), (52, 6336028), (62, 5314088), (74, 4452344), (104, 3168014), (124, 2657044), (148, 2226172), (208, 1584007), (248, 1328522), (296, 1113086), (403, 817552), (481, 684976), (496, 664261), (592, 556543), (806, 408776), (962, 342488), (1147, 287248), (1381, 238576), (1612, 204388), (1924, 171244), (2294, 143624), (2762, 119288), (3224, 102194), (3848, 85622), (4588, 71812), (5524, 59644), (6448, 51097), (7696, 42811), (9176, 35906), (11048, 29822), (14911, 22096), (17953, 18352)]