28979392

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:657

約数の個数: 56

約数和(自身を含む): 63054992

約数和(自身を除く): 34075600

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 208, 244, 416, 488, 571, 793, 832, 976, 1142, 1586, 1952, 2284, 3172, 3904, 4568, 6344, 7423, 9136, 12688, 14846, 18272, 25376, 29692, 34831, 36544, 50752, 59384, 69662, 118768, 139324, 237536, 278648, 452803, 475072, 557296, 905606, 1114592, 1811212, 2229184, 3622424, 7244848, 14489696, 28979392]

約数ペア:

[(1, 28979392), (2, 14489696), (4, 7244848), (8, 3622424), (13, 2229184), (16, 1811212), (26, 1114592), (32, 905606), (52, 557296), (61, 475072), (64, 452803), (104, 278648), (122, 237536), (208, 139324), (244, 118768), (416, 69662), (488, 59384), (571, 50752), (793, 36544), (832, 34831), (976, 29692), (1142, 25376), (1586, 18272), (1952, 14846), (2284, 12688), (3172, 9136), (3904, 7423), (4568, 6344)]