281198632

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:827

約数の個数: 128

約数和(自身を含む): 691286400

約数和(自身を除く): 410087768

約数列:

[1, 2, 4, 8, 11, 13, 17, 19, 22, 26, 34, 38, 44, 52, 68, 76, 88, 104, 136, 143, 152, 187, 209, 221, 247, 286, 323, 374, 418, 442, 494, 572, 646, 748, 761, 836, 884, 988, 1144, 1292, 1496, 1522, 1672, 1768, 1976, 2431, 2584, 2717, 3044, 3553, 4199, 4862, 5434, 6088, 7106, 8371, 8398, 9724, 9893, 10868, 12937, 14212, 14459, 16742, 16796, 19448, 19786, 21736, 25874, 28424, 28918, 33484, 33592, 39572, 46189, 51748, 57836, 66968, 79144, 92378, 103496, 108823, 115672, 142307, 159049, 168181, 184756, 187967, 217646, 245803, 284614, 318098, 336362, 369512, 375934, 435292, 491606, 569228, 636196, 672724, 751868, 870584, 983212, 1138456, 1272392, 1345448, 1503736, 1849991, 1966424, 2067637, 2703833, 3195439, 3699982, 4135274, 5407666, 6390878, 7399964, 8270548, 10815332, 12781756, 14799928, 16541096, 21630664, 25563512, 35149829, 70299658, 140599316, 281198632]

約数ペア:

[(1, 281198632), (2, 140599316), (4, 70299658), (8, 35149829), (11, 25563512), (13, 21630664), (17, 16541096), (19, 14799928), (22, 12781756), (26, 10815332), (34, 8270548), (38, 7399964), (44, 6390878), (52, 5407666), (68, 4135274), (76, 3699982), (88, 3195439), (104, 2703833), (136, 2067637), (143, 1966424), (152, 1849991), (187, 1503736), (209, 1345448), (221, 1272392), (247, 1138456), (286, 983212), (323, 870584), (374, 751868), (418, 672724), (442, 636196), (494, 569228), (572, 491606), (646, 435292), (748, 375934), (761, 369512), (836, 336362), (884, 318098), (988, 284614), (1144, 245803), (1292, 217646), (1496, 187967), (1522, 184756), (1672, 168181), (1768, 159049), (1976, 142307), (2431, 115672), (2584, 108823), (2717, 103496), (3044, 92378), (3553, 79144), (4199, 66968), (4862, 57836), (5434, 51748), (6088, 46189), (7106, 39572), (8371, 33592), (8398, 33484), (9724, 28918), (9893, 28424), (10868, 25874), (12937, 21736), (14212, 19786), (14459, 19448), (16742, 16796)]