31306528

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 73543680

約数和(自身を除く): 42237152

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 76, 88, 124, 151, 152, 176, 209, 248, 302, 304, 341, 352, 418, 496, 589, 604, 608, 682, 836, 992, 1178, 1208, 1364, 1661, 1672, 2356, 2416, 2728, 2869, 3322, 3344, 4681, 4712, 4832, 5456, 5738, 6479, 6644, 6688, 9362, 9424, 10912, 11476, 12958, 13288, 18724, 18848, 22952, 25916, 26576, 31559, 37448, 45904, 51491, 51832, 53152, 63118, 74896, 88939, 91808, 102982, 103664, 126236, 149792, 177878, 205964, 207328, 252472, 355756, 411928, 504944, 711512, 823856, 978329, 1009888, 1423024, 1647712, 1956658, 2846048, 3913316, 7826632, 15653264, 31306528]

約数ペア:

[(1, 31306528), (2, 15653264), (4, 7826632), (8, 3913316), (11, 2846048), (16, 1956658), (19, 1647712), (22, 1423024), (31, 1009888), (32, 978329), (38, 823856), (44, 711512), (62, 504944), (76, 411928), (88, 355756), (124, 252472), (151, 207328), (152, 205964), (176, 177878), (209, 149792), (248, 126236), (302, 103664), (304, 102982), (341, 91808), (352, 88939), (418, 74896), (496, 63118), (589, 53152), (604, 51832), (608, 51491), (682, 45904), (836, 37448), (992, 31559), (1178, 26576), (1208, 25916), (1364, 22952), (1661, 18848), (1672, 18724), (2356, 13288), (2416, 12958), (2728, 11476), (2869, 10912), (3322, 9424), (3344, 9362), (4681, 6688), (4712, 6644), (4832, 6479), (5456, 5738)]