28580916

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3739}}^1$

素因数の和:3773

約数の個数: 72

約数和(自身を含む): 83566560

約数和(自身を除く): 54985644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3739, 3822, 7478, 7644, 11217, 14956, 22434, 26173, 44868, 48607, 52346, 78519, 97214, 104692, 145821, 157038, 183211, 194428, 291642, 314076, 340249, 366422, 549633, 583284, 680498, 732844, 1020747, 1099266, 1360996, 2041494, 2198532, 2381743, 4082988, 4763486, 7145229, 9526972, 14290458, 28580916]

約数ペア:

[(1, 28580916), (2, 14290458), (3, 9526972), (4, 7145229), (6, 4763486), (7, 4082988), (12, 2381743), (13, 2198532), (14, 2041494), (21, 1360996), (26, 1099266), (28, 1020747), (39, 732844), (42, 680498), (49, 583284), (52, 549633), (78, 366422), (84, 340249), (91, 314076), (98, 291642), (147, 194428), (156, 183211), (182, 157038), (196, 145821), (273, 104692), (294, 97214), (364, 78519), (546, 52346), (588, 48607), (637, 44868), (1092, 26173), (1274, 22434), (1911, 14956), (2548, 11217), (3739, 7644), (3822, 7478)]