28480392

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 82368000

約数和(自身を除く): 53887608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 109, 114, 152, 171, 191, 218, 228, 327, 342, 382, 436, 456, 573, 654, 684, 764, 872, 981, 1146, 1308, 1368, 1528, 1719, 1962, 2071, 2292, 2616, 3438, 3629, 3924, 4142, 4584, 6213, 6876, 7258, 7848, 8284, 10887, 12426, 13752, 14516, 16568, 18639, 20819, 21774, 24852, 29032, 32661, 37278, 41638, 43548, 49704, 62457, 65322, 74556, 83276, 87096, 124914, 130644, 149112, 166552, 187371, 249828, 261288, 374742, 395561, 499656, 749484, 791122, 1186683, 1498968, 1582244, 2373366, 3164488, 3560049, 4746732, 7120098, 9493464, 14240196, 28480392]

約数ペア:

[(1, 28480392), (2, 14240196), (3, 9493464), (4, 7120098), (6, 4746732), (8, 3560049), (9, 3164488), (12, 2373366), (18, 1582244), (19, 1498968), (24, 1186683), (36, 791122), (38, 749484), (57, 499656), (72, 395561), (76, 374742), (109, 261288), (114, 249828), (152, 187371), (171, 166552), (191, 149112), (218, 130644), (228, 124914), (327, 87096), (342, 83276), (382, 74556), (436, 65322), (456, 62457), (573, 49704), (654, 43548), (684, 41638), (764, 37278), (872, 32661), (981, 29032), (1146, 24852), (1308, 21774), (1368, 20819), (1528, 18639), (1719, 16568), (1962, 14516), (2071, 13752), (2292, 12426), (2616, 10887), (3438, 8284), (3629, 7848), (3924, 7258), (4142, 6876), (4584, 6213)]