131497784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 304128000

約数和(自身を除く): 172630216

約数列:

[1, 2, 4, 8, 11, 19, 22, 31, 38, 43, 44, 59, 62, 76, 86, 88, 118, 124, 152, 172, 209, 236, 248, 341, 344, 418, 472, 473, 589, 649, 682, 817, 836, 946, 1121, 1178, 1298, 1333, 1364, 1634, 1672, 1829, 1892, 2242, 2356, 2537, 2596, 2666, 2728, 3268, 3658, 3784, 4484, 4712, 5074, 5192, 5332, 6479, 6536, 7316, 8968, 8987, 10148, 10664, 12331, 12958, 14632, 14663, 17974, 20119, 20296, 24662, 25327, 25916, 27907, 29326, 34751, 35948, 40238, 48203, 49324, 50654, 51832, 55814, 58652, 69502, 71896, 78647, 80476, 96406, 98648, 101308, 111628, 117304, 139004, 157294, 160952, 192812, 202616, 223256, 278008, 278597, 314588, 382261, 385624, 530233, 557194, 629176, 764522, 865117, 1060466, 1114388, 1494293, 1529044, 1730234, 2120932, 2228776, 2988586, 3058088, 3460468, 4241864, 5977172, 6920936, 11954344, 16437223, 32874446, 65748892, 131497784]

約数ペア:

[(1, 131497784), (2, 65748892), (4, 32874446), (8, 16437223), (11, 11954344), (19, 6920936), (22, 5977172), (31, 4241864), (38, 3460468), (43, 3058088), (44, 2988586), (59, 2228776), (62, 2120932), (76, 1730234), (86, 1529044), (88, 1494293), (118, 1114388), (124, 1060466), (152, 865117), (172, 764522), (209, 629176), (236, 557194), (248, 530233), (341, 385624), (344, 382261), (418, 314588), (472, 278597), (473, 278008), (589, 223256), (649, 202616), (682, 192812), (817, 160952), (836, 157294), (946, 139004), (1121, 117304), (1178, 111628), (1298, 101308), (1333, 98648), (1364, 96406), (1634, 80476), (1672, 78647), (1829, 71896), (1892, 69502), (2242, 58652), (2356, 55814), (2537, 51832), (2596, 50654), (2666, 49324), (2728, 48203), (3268, 40238), (3658, 35948), (3784, 34751), (4484, 29326), (4712, 27907), (5074, 25916), (5192, 25327), (5332, 24662), (6479, 20296), (6536, 20119), (7316, 17974), (8968, 14663), (8987, 14632), (10148, 12958), (10664, 12331)]