28829268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 79115400

約数和(自身を除く): 50286132

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 229, 234, 269, 458, 468, 538, 687, 807, 916, 1076, 1374, 1614, 2061, 2421, 2748, 2977, 3228, 3497, 4122, 4842, 5954, 6994, 8244, 8931, 9684, 10491, 11908, 13988, 17862, 20982, 26793, 31473, 35724, 41964, 53586, 61601, 62946, 107172, 123202, 125892, 184803, 246404, 369606, 554409, 739212, 800813, 1108818, 1601626, 2217636, 2402439, 3203252, 4804878, 7207317, 9609756, 14414634, 28829268]

約数ペア:

[(1, 28829268), (2, 14414634), (3, 9609756), (4, 7207317), (6, 4804878), (9, 3203252), (12, 2402439), (13, 2217636), (18, 1601626), (26, 1108818), (36, 800813), (39, 739212), (52, 554409), (78, 369606), (117, 246404), (156, 184803), (229, 125892), (234, 123202), (269, 107172), (458, 62946), (468, 61601), (538, 53586), (687, 41964), (807, 35724), (916, 31473), (1076, 26793), (1374, 20982), (1614, 17862), (2061, 13988), (2421, 11908), (2748, 10491), (2977, 9684), (3228, 8931), (3497, 8244), (4122, 6994), (4842, 5954)]