78283688

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 172368000

約数和(自身を除く): 94084312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 113, 139, 178, 226, 278, 356, 452, 556, 623, 712, 791, 904, 973, 1112, 1246, 1582, 1946, 2492, 3164, 3892, 4984, 6328, 7784, 10057, 12371, 15707, 20114, 24742, 31414, 40228, 49484, 62828, 70399, 80456, 86597, 98968, 109949, 125656, 140798, 173194, 219898, 281596, 346388, 439796, 563192, 692776, 879592, 1397923, 2795846, 5591692, 9785461, 11183384, 19570922, 39141844, 78283688]

約数ペア:

[(1, 78283688), (2, 39141844), (4, 19570922), (7, 11183384), (8, 9785461), (14, 5591692), (28, 2795846), (56, 1397923), (89, 879592), (113, 692776), (139, 563192), (178, 439796), (226, 346388), (278, 281596), (356, 219898), (452, 173194), (556, 140798), (623, 125656), (712, 109949), (791, 98968), (904, 86597), (973, 80456), (1112, 70399), (1246, 62828), (1582, 49484), (1946, 40228), (2492, 31414), (3164, 24742), (3892, 20114), (4984, 15707), (6328, 12371), (7784, 10057)]