28219932

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3547}}^1$

素因数の和:3587

約数の個数: 72

約数和(自身を含む): 81362736

約数和(自身を除く): 53142804

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3547, 3978, 7094, 7956, 10641, 14188, 21282, 31923, 42564, 46111, 60299, 63846, 92222, 120598, 127692, 138333, 180897, 184444, 241196, 276666, 361794, 414999, 542691, 553332, 723588, 783887, 829998, 1085382, 1567774, 1659996, 2170764, 2351661, 3135548, 4703322, 7054983, 9406644, 14109966, 28219932]

約数ペア:

[(1, 28219932), (2, 14109966), (3, 9406644), (4, 7054983), (6, 4703322), (9, 3135548), (12, 2351661), (13, 2170764), (17, 1659996), (18, 1567774), (26, 1085382), (34, 829998), (36, 783887), (39, 723588), (51, 553332), (52, 542691), (68, 414999), (78, 361794), (102, 276666), (117, 241196), (153, 184444), (156, 180897), (204, 138333), (221, 127692), (234, 120598), (306, 92222), (442, 63846), (468, 60299), (612, 46111), (663, 42564), (884, 31923), (1326, 21282), (1989, 14188), (2652, 10641), (3547, 7956), (3978, 7094)]