81613532

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 206458560

約数和(自身を除く): 124845028

約数列:

[1, 2, 4, 7, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 68, 77, 91, 109, 119, 121, 143, 154, 182, 187, 218, 221, 238, 242, 286, 308, 364, 374, 436, 442, 476, 484, 572, 748, 763, 847, 884, 1001, 1199, 1309, 1417, 1526, 1547, 1573, 1694, 1853, 2002, 2057, 2398, 2431, 2618, 2834, 3052, 3094, 3146, 3388, 3706, 4004, 4114, 4796, 4862, 5236, 5668, 6188, 6292, 7412, 8228, 8393, 9724, 9919, 11011, 12971, 13189, 14399, 15587, 16786, 17017, 19838, 20383, 22022, 24089, 25942, 26378, 26741, 28798, 31174, 33572, 34034, 39676, 40766, 44044, 48178, 51884, 52756, 53482, 57596, 62348, 68068, 81532, 92323, 96356, 106964, 109109, 142681, 168623, 171457, 184646, 187187, 218218, 224213, 264979, 285362, 337246, 342914, 369292, 374374, 436436, 448426, 529958, 570724, 674492, 685828, 748748, 896852, 1059916, 1200199, 1569491, 1854853, 2400398, 2914769, 3138982, 3709706, 4800796, 5829538, 6277964, 7419412, 11659076, 20403383, 40806766, 81613532]

約数ペア:

[(1, 81613532), (2, 40806766), (4, 20403383), (7, 11659076), (11, 7419412), (13, 6277964), (14, 5829538), (17, 4800796), (22, 3709706), (26, 3138982), (28, 2914769), (34, 2400398), (44, 1854853), (52, 1569491), (68, 1200199), (77, 1059916), (91, 896852), (109, 748748), (119, 685828), (121, 674492), (143, 570724), (154, 529958), (182, 448426), (187, 436436), (218, 374374), (221, 369292), (238, 342914), (242, 337246), (286, 285362), (308, 264979), (364, 224213), (374, 218218), (436, 187187), (442, 184646), (476, 171457), (484, 168623), (572, 142681), (748, 109109), (763, 106964), (847, 96356), (884, 92323), (1001, 81532), (1199, 68068), (1309, 62348), (1417, 57596), (1526, 53482), (1547, 52756), (1573, 51884), (1694, 48178), (1853, 44044), (2002, 40766), (2057, 39676), (2398, 34034), (2431, 33572), (2618, 31174), (2834, 28798), (3052, 26741), (3094, 26378), (3146, 25942), (3388, 24089), (3706, 22022), (4004, 20383), (4114, 19838), (4796, 17017), (4862, 16786), (5236, 15587), (5668, 14399), (6188, 13189), (6292, 12971), (7412, 11011), (8228, 9919), (8393, 9724)]